Proof that a hash was stamped
Proof that a hash was stamped: when we received it, the Merkle path from its leaf to the root, and the Base network transaction that recorded the root, with step-by-step instructions to check it yourself without trusting us.
Answeringour last check, 2026-10-10
1 of 1checks answered this week
24 msmedian answer time
$0.002listed price per call
$0.002price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://api.manylives.me/paid/proof/verify
| Category | Everything else |
|---|---|
| Provider host | api.manylives.me |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-10 | valid payment request | 402 | $0.002 | 24 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"hash": "9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"method": {
"const": "GET",
"type": "string"
},
"queryParams": {
"properties": {
"hash": {
"description": "the SHA-256 hex you stamped (required)",
"examples": [
"9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08"
],
"type": "string"
}
},
"required": [
"hash"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"hash": {
"type": "string"
},
"how_to_check": {
"items": {},
"type": "array"
},
"stamps": {
"items": {
"properties": {
"batch": {
"type": "string"
},
"block_time": {
"type": "string"
},
"leaf": {
"type": "string"
},
"leaf_is": {
"type": "string"
},
"proof": {
"items": {
"properties": {
"sibling": {
"type": "string"
},
"side": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
},
"received_at": {
"type": "string"
},
"root": {
"type": "string"
},
"stamp_id": {
"type": "string"
},
"status": {
"type": "string"
},
"tx": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
}
},
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}