← The evidence ledger
Evidence row 2201979
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://dev-reference.x402tookit.com/port-lookup
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 72e2d067f9baffa87211378017facf4263d5f9e9c3ea80f4541f9c1bbc394369
- Leaf
- 0xd6a3a8b34eb00249fd29d52c7a6e8ca2d38ee91fcb527cb28a53d7b53cd674d5
What was observed
{
"endpoints": [
[
"x402",
"https://dev-reference.x402tookit.com/port-lookup"
]
],
"name": "Dev Reference",
"owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
"raw": {
"accepts": [
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"transactionVersions": [
0
]
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
}
],
"description": "IANA service name and common use for a TCP/UDP port (about 130 well-known ports), plus the port range class.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"port": 443
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-11T14:26:46.903Z",
"commonUse": "HTTPS: HTTP over TLS; also HTTP/3 over QUIC on UDP.",
"degraded": false,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"ianaAssigned": true,
"ianaDescription": "http protocol over TLS/SSL",
"ianaRows": [
{
"description": "http protocol over TLS/SSL",
"protocol": "tcp",
"service": "https"
},
{
"description": "http protocol over TLS/SSL",
"protocol": "udp",
"service": "https"
}
],
"ianaServices": [
"https"
],
"notChecked": [
"only about 130 common ports are embedded: a port missing from the table is NOT_IN_TABLE, which does not mean it is unassigned at IANA",
"what is actually listening on a port (assignments are conventions, and software can use any port)",
"…2 more"
],
"officialAndCommonUseDiffer": false,
"port": 443,
"protocols": [
"tcp",
"udp",
"…1 more"
],
"rangeClass": "System (well-known) 0-1023",
"reasons": [
"Range class: System (well-known) 0-1023.",
"Common use matches the IANA assignment."
],
"source": "IANA Service Name and Transport Protocol Port Number Registry (retrieved 2026-10-11) for the embedded ports; conventions written for this shelf",
"summary": "Port 443: IANA service https (tcp, udp, sctp). Common use: HTTPS: HTTP over TLS; also HTTP/3 over QUIC on UDP.",
"verdict": "ASSIGNED"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"port": {
"description": "Port number, 0 to 65535",
"type": "integer"
}
},
"required": [
"port"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"commonUse": {
"type": [
"null",
"string"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"ianaAssigned": {
"type": [
"boolean",
"null"
]
},
"ianaDescription": {
"type": [
"null",
"string"
]
},
"ianaRows": {
"items": {
"properties": {
"description": {
"type": [
"null",
"string"
]
},
"protocol": {
"type": [
"null",
"string"
]
},
"service": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"ianaServices": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"officialAndCommonUseDiffer": {
"type": [
"boolean",
"null"
]
},
"port": {
"type": [
"null",
"number"
]
},
"protocols": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"rangeClass": {
"type": [
"null",
"string"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T22:49:14.525Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-01T22:49:14.356Z"
},
"resource": "https://dev-reference.x402tookit.com/port-lookup",
"serviceName": "Dev Reference",
"tags": [
"ports",
"tcp",
"udp",
"networking"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "IANA service name and common use for a TCP/UDP port (about 130 well-known ports), plus the port range class."
}What the leaf hashes
{"body":"72e2d067f9baffa87211378017facf4263d5f9e9c3ea80f4541f9c1bbc394369","id":2201979,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646811109436,"prev":null,"subject":"x402_bazaar:https://dev-reference.x402tookit.com/port-lookup","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0xd6a39ce2aa6ae97c1e6337896b303f10569045a7c33249eceb2b06baffcf8b1b
- 0xe546bba060069b8584b36540a0a4d6952c3ea5a91f6030acb172ee31066f9b21
- 0x2dff489f315d675983dfd14f0896b5f46ef36839f2e0aa15b580cb7008c8e775
- 0x0adf82cace7b6cd3c6d468b10b6dc0eaa1e6d3b27973b356532003a2e0e6ea15
- 0x7a99e4fa7a50d21c375c4f35cf54237fa1b50d68c84ecfd13b95f31e4199c731
- 0x7650f6fc472c9614337d1e24696b26c48efd572aeaa513524b2ce5f903f19b25
- 0xafebfec253c227393ca99957f8447564adfc0ac55924cee6b56744183e0ffc9f
- 0x57de7c673de3c75da024b38d275c7031baea4fbb2beab7702adbe4cfae58676a
- 0x76bf0977a860e896cba79f13f24a28671a60eeea70960a21e96ebd0f2bab59c5
- 0x22d3e9aa8228ce785813e5b081d3cdf6db488ae3e4fdc9ef1aeab465ad3beaa4
- 0x9c65c76829eca17a0af68f0dc695c440cc0bffeb2a468afa53dc6263619f7f01
- 0x7187889e0cb6879609e91cd98c7d6289b291639a739c761b50ed349bfcd02009
- 0x0a0b06366ac223b57a065057db885c66f1a3225264321b3732529557f57cf2a7
- 0xc94ac971f2e2765086823b6227f70a7d3fdcf267884d07ae0a3f85c1caf941d2
- 0xa9134f4ed9cec34e13ba243b6a51db73753dbbb3b48c63bd82b22694813d2b02
- 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
- 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af