Chancel Choir, First Unitarian Church of Oakland
type: MusicGroup
popularity: 4
followers: 115
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcb7a51d74929b628c13e1134d5109411242ecff16919f9185451c6e1ebdd004b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954549
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954549
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a8b09801-d7ca-4294-8660-4b4e047b1a77.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a8b09801-d7ca-4294-8660-4b4e047b1a77.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a8b09801-d7ca-4294-8660-4b4e047b1a77
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T10:56:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcb7a51d74929b628c13e1134d5109411242ecff16919f9185451c6e1ebdd004b","name":"Chancel Choir, First Unitarian Church of Oakland","registered_at":"2026-06-20T08:41:04Z","symbol":"NIM1569285","token_address":"0x2652dd5f4004251135dfc1c5d4b9cc14202e44da","type":"artist","uuid":"a8b09801-d7ca-4294-8660-4b4e047b1a77"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb7a51d74929b628c13e1134d5109411242ecff16919f9185451c6e1ebdd004b. Chain 2 (Bitcoin): anchored in block 954549 (2026-06-20T10:56:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a8b09801-d7ca-4294-8660-4b4e047b1a77.json and https://artists.proofprofile.net/proofs/artist/a8b09801-d7ca-4294-8660-4b4e047b1a77.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T10:56:20Z
  text: {"copyright_id":"0xcb7a51d74929b628c13e1134d5109411242ecff16919f9185451c6e1ebdd004b","name":"Chancel Choir, First Unitarian Church of Oakland","registered_at":"2026-06-20T08:41:04Z","symbol":"NIM1569285","token_address":"0x2652dd5f4004251135dfc1c5d4b9cc14202e44da","type":"artist","uuid":"a8b09801-d7ca-4294-8660-4b4e047b1a77"}
album: Bring Many Names: Music from Our Liberal Religious Tradition
  type: MusicAlbum
  date published: 1996-01-01