Gemma Caldwell
type: MusicGroup
popularity: 12
followers: 145
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x75249923b60e65ce052426c4c2a028fd76edd3d896b45042d20e3a6a1adf42a9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953762
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953762
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b9d7a22f-a09b-4bb8-adf0-8e3d43a94a6d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b9d7a22f-a09b-4bb8-adf0-8e3d43a94a6d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b9d7a22f-a09b-4bb8-adf0-8e3d43a94a6d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T08:21:23Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x75249923b60e65ce052426c4c2a028fd76edd3d896b45042d20e3a6a1adf42a9","name":"Gemma Caldwell","registered_at":"2026-06-14T23:57:42Z","symbol":"NIM0617424","token_address":"0x235d221919a72abc2ee6215c76a239a0f3748ee4","type":"artist","uuid":"b9d7a22f-a09b-4bb8-adf0-8e3d43a94a6d"}
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75249923b60e65ce052426c4c2a028fd76edd3d896b45042d20e3a6a1adf42a9. Chain 2 (Bitcoin): anchored in block 953762 (2026-06-15T08:21:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b9d7a22f-a09b-4bb8-adf0-8e3d43a94a6d.json and https://artists.proofprofile.net/proofs/artist/b9d7a22f-a09b-4bb8-adf0-8e3d43a94a6d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T08:21:23Z
  text: {"copyright_id":"0x75249923b60e65ce052426c4c2a028fd76edd3d896b45042d20e3a6a1adf42a9","name":"Gemma Caldwell","registered_at":"2026-06-14T23:57:42Z","symbol":"NIM0617424","token_address":"0x235d221919a72abc2ee6215c76a239a0f3748ee4","type":"artist","uuid":"b9d7a22f-a09b-4bb8-adf0-8e3d43a94a6d"}
album: Oh My Darling Clementine (Cover)
  type: MusicAlbum
  date published: 2016-12-18
album: I Stand for the Flag
  type: MusicAlbum
  date published: 2018-07-03
album: Auld Lang Syne
  type: MusicAlbum
  date published: 2018-12-15
album: Oceans (Where Feet May Fail)
  type: MusicAlbum
  date published: 2021-04-03
album: The Parting Glass
  type: MusicAlbum
  date published: 2021-04-22
album: Anti-Lullaby (HANNA) [Cover]
  type: MusicAlbum
  date published: 2021-06-17
album: Astral Plane
  type: MusicAlbum
  date published: 2021-07-29
album: Marie (Acoustic)
  type: MusicAlbum
  date published: 2021-08-26
album: A Spectral Discovery
  type: MusicAlbum
  date published: 2022-01-11
album: Giving Up (Acoustic)
  type: MusicAlbum
  date published: 2023-05-20
album: Rich Men North of Richmond (*Almost* Clean)
  type: MusicAlbum
  date published: 2023-08-26
album: The Ballad of Lucy Gray Baird
  type: MusicAlbum
  date published: 2024-06-22
album: Golden Slumbers Lullaby
  type: MusicAlbum
  date published: 2024-09-18