← The evidence ledger
Evidence row 71648
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://bio.halowerk.com/v1/biomarker-longevity
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- d08feb2952d7e0225a7dfa1d739339288b10386da7a0cf77181200a2156b5ae1
- Leaf
- 0x686952a5595d140012bff352ff575be70727c496c6689d91ee287f5923b19ddb
What was observed
{
"endpoints": [
[
"x402",
"https://bio.halowerk.com/v1/biomarker-longevity"
]
],
"name": "bio.halowerk.com/v1/biomarker-longevity",
"owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
"raw": {
"accepts": [
{
"amount": "3000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"currency": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"asset": "USDC",
"assetTransferMethod": "eip3009",
"eip712Domain": {
"chainId": 8453,
"name": "USD Coin",
"verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"version": "2"
},
"name": "USD Coin",
"network_name": "Base Mainnet",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
"recipient": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
"scheme": "exact"
}
],
"description": "Standardizes each supplied value against its supplied mean and standard deviation, flips markers whose favorable direction is lower, and computes a weighted composite mapped to a bounded 0–100 index. The references and weights come entirely from the caller; this is not a validated longevity score, diagnosis, prognosis or medical advice.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"biomarkers": [
{
"favorable_direction": "higher",
"name": "marker-a",
"reference_mean": 55,
"reference_sd": 10,
"value": 62,
"weight": 1
},
{
"favorable_direction": "lower",
"name": "marker-b",
"reference_mean": 5.4,
"reference_sd": 0.8,
"value": 4.8,
"weight": 1.5
},
{
"favorable_direction": "lower",
"name": "marker-c",
"reference_mean": 120,
"reference_sd": 12,
"value": 118,
"weight": 0.5
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"biomarkers": {
"items": {
"additionalProperties": false,
"properties": {
"favorable_direction": {
"enum": [
"higher",
"lower"
],
"type": "string"
},
"name": {
"maxLength": 128,
"minLength": 1,
"type": "string"
},
"reference_mean": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": "number"
},
"reference_sd": {
"maximum": 1000000000000,
"minimum": 1e-12,
"type": "number"
},
"value": {
"maximum": 1000000000000,
"minimum": -1000000000000,
"type": "number"
},
"weight": {
"maximum": 1000000,
"minimum": 0,
"type": "number"
}
},
"required": [
"name",
"value",
"reference_mean",
"reference_sd",
"favorable_direction",
"weight"
],
"type": "object"
},
"maxItems": 200,
"minItems": 1,
"type": "array"
}
},
"required": [
"biomarkers"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-26T00:13:03.421Z",
"quality": {
"l30DaysTotalCalls": 7,
"l30DaysUniquePayers": 6,
"lastCalledAt": "2026-10-26T00:13:03.002Z"
},
"resource": "https://bio.halowerk.com/v1/biomarker-longevity",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Standardizes each supplied value against its supplied mean and standard deviation, flips markers whose favorable direction is lower, and computes a weighted composite mapped to a bounded 0–100 index. The references and weights come entirely from the caller; this is not a validated longevity score, diagnosis, prognosis or medical advice."
}What the leaf hashes
{"body":"d08feb2952d7e0225a7dfa1d739339288b10386da7a0cf77181200a2156b5ae1","id":71648,"kind":"listing","method":"baseline/1","observed_us":1793025483049241,"prev":null,"subject":"x402_bazaar:https://bio.halowerk.com/v1/biomarker-longevity","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x686931a08655a65325372f9e3a8926e19a6745a766acc83dad36bb61fde3cd3c
- 0x58e2c407c26cfdc2c7853a08fcbcd61f6c71bf438c65f78f24dd7d98f7170391
- 0xcf66fafed59c0908c7b21037f433e45ae98db51348a8c11e49c0b59190cd73c2
- 0xaff29ee48b16a81d02654eda8f9b4269023fd9b54341caa9906b3ed4f92f9068
- 0x3714bd4620b9555b0601f118e8121102765e3d14e9bc07d4f26637d692ccbcc8
- 0x51890f1362fa9af50de926fe23fa0728fd12d27674fa2afec19555b32ed427ba
- 0x0bd96f373063c66e0439187493f858c668c3644b31c93d7631fd4e1ee191f6e7
- 0x667df1eb5438391477f4248bbe916d73c531e511e0fc8ebab611cd8427d63cfd
- 0x93e9853b7e7c3fbd2e76b2acee2d32edfe8d3f0c87ff002072ea66bdd6c35b44
- 0x13e4c71dea6ead16b673621a000980228fb6632849515de881753d7ecc85106a
- 0x413b0c9464d3b38d47c32aba246ca98fb26aca16664bc872d8c725efdcf42145
- 0x9483a0a7a066ffc2fb890c8f34dbc91bf373e546e4a3800b76064288b3cc4875
- 0x5f350d70c252ff1169c0210fd45fce1b0ab8d7316f048741a9e90a6c8cb65dcf
- 0x9a79c65e077cd9da9d436b3ade6f5ddc0d244510c4d5903ef2f02d81205f7666
- 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae