← The evidence ledger
Evidence row 120006
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://saylorinnovations.com/api/health/one-rep-max
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 3e145781eccc209c54621eace6ab913ac4f0017ae6125c82d87006702fcc9472
- Leaf
- 0xe0d001c76bbfcc3654043610d1a1a55cdf998c3c7b02ad3607af7256243749cd
What was observed
{
"endpoints": [
[
"x402",
"https://saylorinnovations.com/api/health/one-rep-max"
]
],
"name": "Saylor Innovations Data Desk",
"owner_address": "0xa2a8df0f7caabea4e120a2568118f141569fc8aa",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:one-rep-max",
"name": "USD Coin",
"note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:one-rep-max",
"name": "USD Coin",
"note": "Polygon settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:137",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"assetTransferMethod": "eip3009",
"facilitatorOnly": true,
"memo": "saylor:datadesk:one-rep-max",
"name": "USD Coin",
"note": "Arbitrum settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:42161",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
"memo": "saylor:datadesk:one-rep-max",
"reference": "CdVxX6Hrm4geReYwDfo2d79sLxnhpBptZZMMA4HUVyGJ",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpvbmUtcmVwLW1heCIsInJlZmVyZW5jZSI6IkNkVnhYNkhybTRnZVJlWXdEZm8yZDc5c0x4bmhwQnB0WlpNTUE0SFVWeUdKIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRVBqRldkZDVBdWZxU1NxZU0ycU4xeHp5YmFwQzhHNHdFR0drWnd5VER0MXYiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI1NzQ5NTU0NDh9.ClDxW779oW6zb62FD0TkDdhev5_pqbgLnC9pHng4AXA"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
"extra": {
"feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88",
"memo": "saylor:datadesk:one-rep-max",
"reference": "HQSAbz1dsYTVUjGq4BDzyejTRLn97zL9Gi9PQFRtEVKp",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpvbmUtcmVwLW1heCIsInJlZmVyZW5jZSI6IkhRU0FiejFkc1lUVlVqR3E0QkR6eWVqVFJMbjk3ekw5R2k5UFFGUnRFVktwIiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjoiRXM5dk1GcnphQ0VSbUpmckY0SDJGWUQ0S0NvTmtZMTFNY0NlOEJlbndOWUIiLCJtaW5BbW91bnQiOjEwMDAwLCJleHAiOjE3OTI1NzQ5NTU0NDh9.Wuui8JtiJz5bLy14w3S-vHxnkSbdmM_uYICCcA9jINs"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
},
{
"amount": "90849",
"asset": "So11111111111111111111111111111111111111112",
"extra": {
"memo": "saylor:datadesk:one-rep-max",
"native": true,
"note": "Native SOL: send lamports with a system transfer, not an SPL transfer. Price is quoted live and this quote expires in 120s.",
"quotedLamports": "93659",
"reference": "Gwph1BMQWDTSkhybCBowE7KHCqsb8FNpig5YH1uz1N74",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpvbmUtcmVwLW1heCIsInJlZmVyZW5jZSI6Ikd3cGgxQk1RV0RUU2toeWJDQm93RTdLSENxc2I4Rk5waWc1WUgxdXoxTjc0IiwicmVjaXBpZW50IjoiN0xTamZySmY4Zk5zQjhWQTl1N04zV0VuMjVzbVFMcG9iM1N2eVV2WGFjeTciLCJtaW50IjpudWxsLCJtaW5BbW91bnQiOjkwODQ5LCJleHAiOjE3OTI1NzQ5NTU0NDh9.wY_-qAT5G1tChETIyzx61eVo4gHT_HLYYOCJLy_TVGE",
"solUsdPrice": 106.77
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact"
}
],
"description": "Estimated one-rep max from any submaximal set using six formulas, the range between them, and a percentage table of training weights and reps.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"reps": "6",
"weight": "185"
},
"type": "http"
},
"output": {
"example": {
"estimated_one_rep_max": 219.7,
"formulas": {
"brzycki": 214.84,
"epley": 222,
"lombardi": 221.3,
"mayhew": 224.72,
"oconner": 212.75,
"wathan": 222.61
},
"note": "Estimates the heaviest single repetition from a submaximal set. Use the same unit you entered. Approximate reps come from the Epley relationship and vary by lift and person.",
"percentage_table": [
{
"approx_reps": 1,
"percent": 100,
"weight": 219.7
},
{
"approx_reps": 2,
"percent": 95,
"weight": 208.7
},
{
"approx_reps": 3,
"percent": 90,
"weight": 197.7
},
{
"approx_reps": 5,
"percent": 85,
"weight": 186.7
},
{
"approx_reps": 8,
"percent": 80,
"weight": 175.8
},
{
"approx_reps": 10,
"percent": 75,
"weight": 164.8
},
{
"approx_reps": 13,
"percent": 70,
"weight": 153.8
},
{
"approx_reps": 16,
"percent": 65,
"weight": 142.8
},
{
"approx_reps": 20,
"percent": 60,
"weight": 131.8
},
{
"approx_reps": 30,
"percent": 50,
"weight": 109.9
}
],
"range_high": 224.72,
"range_low": 212.75,
"reliability": "good",
"reps": 6,
"source": "Epley, Brzycki, Lombardi, O'Conner, Mayhew and Wathan one-rep-max formulas",
"weight": 185
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"reps": {
"description": "repetitions completed, 1-30",
"type": "string"
},
"weight": {
"description": "weight lifted in any unit",
"type": "string"
}
},
"required": [
"weight",
"reps"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"estimated_one_rep_max": {
"description": "Average of the formula estimates",
"type": "number"
},
"formulas": {
"description": "Estimate from each formula",
"properties": {
"brzycki": {
"description": "Brzycki estimate, null at 37 reps or more",
"type": [
"number",
"null"
]
},
"epley": {
"description": "Epley estimate",
"type": [
"number",
"null"
]
},
"lombardi": {
"description": "Lombardi estimate",
"type": [
"number",
"null"
]
},
"mayhew": {
"description": "Mayhew estimate",
"type": [
"number",
"null"
]
},
"oconner": {
"description": "O'Conner estimate",
"type": [
"number",
"null"
]
},
"wathan": {
"description": "Wathan estimate",
"type": [
"number",
"null"
]
}
},
"type": "object"
},
"note": {
"description": "Plain-language caveat about how to read and use the result",
"type": "string"
},
"percentage_table": {
"description": "Training weights as percentages of the estimated max",
"items": {
"properties": {
"approx_reps": {
"description": "Approximate repetitions possible at that weight",
"type": [
"number",
"null"
]
},
"percent": {
"description": "Percent of one-rep max",
"type": [
"number",
"null"
]
},
"weight": {
"description": "Weight at that percent",
"type": [
"number",
"null"
]
}
},
"type": "object"
},
"type": "array"
},
"range_high": {
"description": "Highest formula estimate",
"type": "number"
},
"range_low": {
"description": "Lowest formula estimate",
"type": "number"
},
"reliability": {
"description": "How trustworthy the estimate is for this rep count",
"type": "string"
},
"reps": {
"description": "Repetitions completed",
"type": "number"
},
"source": {
"description": "Where the data or formula comes from",
"type": "string"
},
"weight": {
"description": "Weight lifted",
"type": "number"
}
},
"required": [
"estimated_one_rep_max",
"percentage_table"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791811517/bazaar-icons/bc5e2b3d111ebbef.jpg",
"lastUpdated": "2026-10-21T09:27:15.493Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-21T09:27:15.156Z"
},
"resource": "https://saylorinnovations.com/api/health/one-rep-max",
"serviceName": "Saylor Innovations Data Desk",
"tags": [
"one rep max calculator",
"estimate 1rm from reps",
"bench press max calculator",
"epley brzycki formula",
"percent of 1rm table"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Estimated one-rep max from any submaximal set using six formulas, the range between them, and a percentage table of training weights and reps."
}What the leaf hashes
{"body":"3e145781eccc209c54621eace6ab913ac4f0017ae6125c82d87006702fcc9472","id":120006,"kind":"listing","method":"baseline/1","observed_us":1793025617070747,"prev":null,"subject":"x402_bazaar:https://saylorinnovations.com/api/health/one-rep-max","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).
- 0xe0cff787bc3628723cc1f0a585b76a6427adb4ce202faff65d2a8b6ed1293da0
- 0xaba8e6a5c23c080bac09306ea4820541f5cc7af382fa6cbc9f68d9dfa1a2122f
- 0xdb19ac41476d9dafd7aaf229deb85ec70c6eb6f147730d512655a52982a82303
- 0x4d8bba66ff1dc41c61f20f86214ba6cd4dc133e286a597e076d870ed48dbe815
- 0x0356aa182ab66c9d87443cbf8de3b00eba07a0077cb58344079636d0dfeb6bb0
- 0x0e2f0382262fc824b83188401644dcd8db7a608e1532bec591a8f5f4f135ff04
- 0x9de0c71637fc1cfc282d4f709591bf0492dd85cbd9bfed6f4c2cd93154ea7fab
- 0x4c123e94b99bd81045d878aadd0858f905f5c61e935ee42e628cf377e7906bfa
- 0xc2aa35483c82483e6adcc2b50b366023e07a5a61527ff45372ef558a709ec092
- 0xd3a62dd19c033cefdc0e95b84442d2d997b149848ac391c70f7061b3fe284696
- 0x82d0a2528274b883dc22fee84985c9c34404274baadfb76651d0008598f80bff
- 0x714c96bd488ccf4af927c8bc83397404f7f6f1b165b622d0e8216290209825e4
- 0x3fcdf7fa32ccefe771eb57ae3015142065d64e3ce732fea7d11b9a3c99dde44f
- 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
- 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
- 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae