{
  "proof": "long-haul-pledge",
  "description": "The Spur Crypto Long-Haul Pledge v1 — hashed and anchored to the Bitcoin blockchain via OpenTimestamps.",
  "file": "/pledge.txt",
  "sha256": "6549c042cf78dd04a9cb7410b4118483abf827f6638be5462948ca1bd9075ad2",
  "ots_proof": "/pledge.txt.ots",
  "algorithm": "SHA-256",
  "anchor": "bitcoin (via OpenTimestamps calendar aggregation)",
  "created": "2026-07-29",
  "version": 1,
  "status": "confirmed",
  "confirmed": "2026-07-29",
  "bitcoin_blocks": [960060, 960063, 960086],
  "example_tx": "f382f5a3bae9efaa38e8dc767dcadcaee89be832ab578dbeba218d233fafb278",
  "verify_hint": "sha256sum pledge.txt && ots verify pledge.txt.ots (https://opentimestamps.org)"
}