← The evidence ledger
Evidence row 65452
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.carbon-cashmere.de/v1/bittensor-derivatives/network-fundamentals
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- a72be8351a3c8a684233ef4485b16f8cab7b606ed651190324ef30aa03db0f9c
- Leaf
- 0x6b5350a76747840248a4ca04c296e5c34637d92b66dfd3af8c0d0ab7a7de90c3
What was observed
{
"endpoints": [
[
"x402",
"https://api.carbon-cashmere.de/v1/bittensor-derivatives/network-fundamentals"
]
],
"name": "api.carbon-cashmere.de/v1/bittensor-derivatives/network-fundamentals",
"owner_address": "0xf8b2dd46542175ad46e14e6133340e652665f2ee",
"raw": {
"accepts": [
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xf8b2dD46542175AD46e14e6133340E652665F2Ee",
"resource": "https://api.carbon-cashmere.de/v1/bittensor-derivatives/network-fundamentals",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xf8b2dD46542175AD46e14e6133340E652665F2Ee",
"resource": "https://api.carbon-cashmere.de/v1/bittensor-derivatives/network-fundamentals",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xf8b2dD46542175AD46e14e6133340E652665F2Ee",
"resource": "https://api.carbon-cashmere.de/v1/bittensor-derivatives/network-fundamentals",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0x79A02482A880bCE3F13e09Da970dC34db4CD24d1",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:480",
"payTo": "0xf8b2dD46542175AD46e14e6133340E652665F2Ee",
"resource": "https://api.carbon-cashmere.de/v1/bittensor-derivatives/network-fundamentals",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "GgS891nMiEETjBEFw1QQxVcAqsRV34mDYpxh24TrpCiD",
"resource": "https://api.carbon-cashmere.de/v1/bittensor-derivatives/network-fundamentals",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "31566704",
"extra": {
"decimals": 6,
"feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
"genesisHash": "wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
"genesisId": "mainnet-v1.0"
},
"maxTimeoutSeconds": 300,
"network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
"payTo": "5GRGZVUNRF2S4BY2TNRBCUCKUOT3H6BP56ACPCZVGR3ISTTRRSSB2RGJGI",
"resource": "https://api.carbon-cashmere.de/v1/bittensor-derivatives/network-fundamentals",
"scheme": "exact"
},
{
"amount": "200000",
"asset": "USDC:GA5ZSEJYB37JRC5AVCIA5MOP4RHTM335X2KGX3IHOJAPP5RE34K4KZVN",
"extra": {
"areFeesSponsored": true,
"decimals": 7
},
"maxTimeoutSeconds": 300,
"network": "stellar:pubnet",
"payTo": "GDYFWCUFLG7MZAITOOVITYDNCLVJXWJ7OASYJAJPPOTONUQRNBCRO2VP",
"resource": "https://api.carbon-cashmere.de/v1/bittensor-derivatives/network-fundamentals",
"scheme": "exact"
}
],
"description": "Latest TAO network-wide fundamentals: total issuance, total stake, free float, supply percentage mined, stake ratio. Snapshot every 10 min.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"type": "http"
},
"output": {
"example": {},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"eip2612GasSponsoring": {
"info": {
"description": "The facilitator accepts EIP-2612 gasless Permit to Permit2 canonical contract.",
"version": "1"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"amount": {
"description": "The amount to approve (uint256).",
"pattern": "^[0-9]+$",
"type": "string"
},
"asset": {
"description": "The address of the ERC-20 token contract.",
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"deadline": {
"description": "The timestamp at which the signature expires.",
"pattern": "^[0-9]+$",
"type": "string"
},
"from": {
"description": "The address of the sender.",
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"nonce": {
"description": "The current EIP-2612 nonce of the sender.",
"pattern": "^[0-9]+$",
"type": "string"
},
"signature": {
"description": "The 65-byte concatenated signature (r, s, v) as a hex string.",
"pattern": "^0x[a-fA-F0-9]+$",
"type": "string"
},
"spender": {
"description": "The address of the spender (Canonical Permit2).",
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"version": {
"description": "Schema version identifier.",
"pattern": "^[0-9]+(\\.[0-9]+)*$",
"type": "string"
}
},
"required": [
"from",
"asset",
"spender",
"amount",
"nonce",
"deadline",
"signature",
"version"
],
"type": "object"
}
},
"erc20ApprovalGasSponsoring": {
"info": {
"description": "The facilitator accepts a raw signed approval transaction and will sponsor the gas fees.",
"version": "1"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"amount": {
"description": "Approval amount (uint256).",
"pattern": "^[0-9]+$",
"type": "string"
},
"asset": {
"description": "The ERC-20 token contract address to approve.",
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"from": {
"description": "The address of the sender.",
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"signedTransaction": {
"description": "RLP-encoded signed transaction calling ERC20.approve().",
"pattern": "^0x[a-fA-F0-9]+$",
"type": "string"
},
"spender": {
"description": "The address of the spender (Canonical Permit2).",
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"version": {
"description": "Schema version identifier.",
"pattern": "^[0-9]+(\\.[0-9]+)*$",
"type": "string"
}
},
"required": [
"from",
"asset",
"spender",
"amount",
"signedTransaction",
"version"
],
"type": "object"
}
},
"offer-receipt": {
"info": {
"offers": [
{
"acceptIndex": 0,
"format": "eip712",
"payload": {
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"network": "eip155:8453",
"payTo": "0xf8b2dD46542175AD46e14e6133340E652665F2Ee",
"resourceUrl": "https://api.carbon-cashmere.de/v1/bittensor-derivatives/network-fundamentals",
"scheme": "exact",
"validUntil": 1792552638,
"version": 1
},
"signature": "0x04e9434b766d8054dbdae29601d3367c86547c983d080d69dfb16e04cbea9cd9268a1d177b7e786319ba5c2555c1bf36d26e70a9da0d12e04c1efefbe359df521b"
},
{
"acceptIndex": 1,
"format": "eip712",
"payload": {
"amount": "20000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"network": "eip155:137",
"payTo": "0xf8b2dD46542175AD46e14e6133340E652665F2Ee",
"resourceUrl": "https://api.carbon-cashmere.de/v1/bittensor-derivatives/network-fundamentals",
"scheme": "exact",
"validUntil": 1792552638,
"version": 1
},
"signature": "0x595ad612ffa36192fbbfef8bd4c4392b1a6c0385308405b8e6ced66216ac9c5e76fecb1bc740d77745ce3aed68e1aaefba6e9063e6f00f26d210769b582a90161c"
},
{
"acceptIndex": 2,
"format": "eip712",
"payload": {
"amount": "20000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"network": "eip155:42161",
"payTo": "0xf8b2dD46542175AD46e14e6133340E652665F2Ee",
"resourceUrl": "https://api.carbon-cashmere.de/v1/bittensor-derivatives/network-fundamentals",
"scheme": "exact",
"validUntil": 1792552638,
"version": 1
},
"signature": "0xa21b3e4d20b835ad624000d673e08f7e31302ed16976b41438be248a3f15f0e67327f3acbd10a3d52a9c6e1b8a71ab6aa4308f68d838d7294937de82a5c06fdb1b"
},
{
"acceptIndex": 3,
"format": "eip712",
"payload": {
"amount": "20000",
"asset": "0x79A02482A880bCE3F13e09Da970dC34db4CD24d1",
"network": "eip155:480",
"payTo": "0xf8b2dD46542175AD46e14e6133340E652665F2Ee",
"resourceUrl": "https://api.carbon-cashmere.de/v1/bittensor-derivatives/network-fundamentals",
"scheme": "exact",
"validUntil": 1792552638,
"version": 1
},
"signature": "0xcff9fba4da50aaac3edf578f22da8d842d987094da71fe8433ace35a3995548e7135011789c90461345c5f954e57155cfeec16a6d13d6c48bf06e35d8741cf1a1c"
},
{
"acceptIndex": 4,
"format": "eip712",
"payload": {
"amount": "20000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "GgS891nMiEETjBEFw1QQxVcAqsRV34mDYpxh24TrpCiD",
"resourceUrl": "https://api.carbon-cashmere.de/v1/bittensor-derivatives/network-fundamentals",
"scheme": "exact",
"validUntil": 1792552638,
"version": 1
},
"signature": "0xf805a9c468b033fc29836c336c2ed30aa962476a40c7a9d7db685bd3c9e513c501b745ce0f6f65ee35424c0af9bba8bc0bb375942f8a870f606a55481a105c321c"
},
{
"acceptIndex": 5,
"format": "eip712",
"payload": {
"amount": "20000",
"asset": "31566704",
"network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
"payTo": "5GRGZVUNRF2S4BY2TNRBCUCKUOT3H6BP56ACPCZVGR3ISTTRRSSB2RGJGI",
"resourceUrl": "https://api.carbon-cashmere.de/v1/bittensor-derivatives/network-fundamentals",
"scheme": "exact",
"validUntil": 1792552638,
"version": 1
},
"signature": "0x4b6b7d5b01ae7fdb8652dc6b59676123a9ccd25a97a91270cfcf593d12ff35060ed6067bc6728437091e14b4bcd21febf925d4c6f5773eb1fc1e07f40bc235131b"
},
{
"acceptIndex": 6,
"format": "eip712",
"payload": {
"amount": "200000",
"asset": "USDC:GA5ZSEJYB37JRC5AVCIA5MOP4RHTM335X2KGX3IHOJAPP5RE34K4KZVN",
"network": "stellar:pubnet",
"payTo": "GDYFWCUFLG7MZAITOOVITYDNCLVJXWJ7OASYJAJPPOTONUQRNBCRO2VP",
"resourceUrl": "https://api.carbon-cashmere.de/v1/bittensor-derivatives/network-fundamentals",
"scheme": "exact",
"validUntil": 1792552638,
"version": 1
},
"signature": "0x655d618d5241cf6dc7c6dafe12cd7ea551ffea58520b8ccf3943e5fe8840855b79c7fb5cb4eafa3c3699362a631fbb4d45e253d398b1eb235a002cbf55196c571b"
}
]
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"format": {
"enum": [
"eip712",
"jws"
],
"type": "string"
},
"payload": {
"type": "object"
},
"signature": {
"type": "string"
}
},
"required": [
"format",
"payload",
"signature"
],
"type": "object"
}
},
"payment-identifier": {
"info": {
"required": false
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"id": {
"maxLength": 128,
"minLength": 16,
"pattern": "^[a-zA-Z0-9_-]+$",
"type": "string"
},
"required": {
"type": "boolean"
}
},
"required": [
"required"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-21T02:17:18.864Z",
"quality": {
"l30DaysTotalCalls": 5,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-21T02:17:18.301Z"
},
"resource": "https://api.carbon-cashmere.de/v1/bittensor-derivatives/network-fundamentals",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Latest TAO network-wide fundamentals: total issuance, total stake, free float, supply percentage mined, stake ratio. Snapshot every 10 min."
}What the leaf hashes
{"body":"a72be8351a3c8a684233ef4485b16f8cab7b606ed651190324ef30aa03db0f9c","id":65452,"kind":"listing","method":"baseline/1","observed_us":1793025458390306,"prev":null,"subject":"x402_bazaar:https://api.carbon-cashmere.de/v1/bittensor-derivatives/network-fundamentals","subject_kind":"source_record"}Proof
Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.