Provenance
type: MusicGroup
description: thumb|upright=1.35|Diana and Actaeon by Titian has a full provenance covering its passage through several owners and four countries since it was painted for Philip II of Spain in the 1550s. Provenanc
popularity: 9
followers: 672
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x01b0137dab0dc3335ab7189eeb12147330bc644e621f7a2fef8a3a6fba2b7f2f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5662972a-aa27-4ad2-97b5-ac13d5763d44.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5662972a-aa27-4ad2-97b5-ac13d5763d44.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5662972a-aa27-4ad2-97b5-ac13d5763d44
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
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 0x01b0137dab0dc3335ab7189eeb12147330bc644e621f7a2fef8a3a6fba2b7f2f. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5662972a-aa27-4ad2-97b5-ac13d5763d44.json and https://artists.proofprofile.net/proofs/artist/5662972a-aa27-4ad2-97b5-ac13d5763d44.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
album: Say It Again
  type: MusicAlbum
  date published: 2022-11-29
album: Alone Again
  type: MusicAlbum
  date published: 2023-04-28
album: Close To You
  type: MusicAlbum
  date published: 2023-08-05
album: Calling
  type: MusicAlbum
  date published: 2024-03-03
album: Take Back The Mondays
  type: MusicAlbum
  date published: 2025-02-27
album: The Room
  type: MusicAlbum
  date published: 2025-04-17
album: The Room
  type: MusicAlbum
  date published: 2025-04-17
album: Do I Bore You?
  type: MusicAlbum
  date published: 2025-06-05