Cançons Didàctiques
type: MusicGroup
popularity: 2
followers: 73
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7cabbbd03fa33995c98a9e7dc325858ebded08caf4cb61adb0ebdefd63a65fb8
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/a8064d63-45e9-47f5-b6da-6881024862be.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a8064d63-45e9-47f5-b6da-6881024862be.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a8064d63-45e9-47f5-b6da-6881024862be
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T10:56:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7cabbbd03fa33995c98a9e7dc325858ebded08caf4cb61adb0ebdefd63a65fb8","name":"Cançons Didàctiques","registered_at":"2026-06-20T08:26:11Z","symbol":"NIM1565949","token_address":"0xe11e3cf1d366277ed70158095096366e23df8164","type":"artist","uuid":"a8064d63-45e9-47f5-b6da-6881024862be"}
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 0x7cabbbd03fa33995c98a9e7dc325858ebded08caf4cb61adb0ebdefd63a65fb8. 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/a8064d63-45e9-47f5-b6da-6881024862be.json and https://artists.proofprofile.net/proofs/artist/a8064d63-45e9-47f5-b6da-6881024862be.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T10:56:20Z
  text: {"copyright_id":"0x7cabbbd03fa33995c98a9e7dc325858ebded08caf4cb61adb0ebdefd63a65fb8","name":"Cançons Didàctiques","registered_at":"2026-06-20T08:26:11Z","symbol":"NIM1565949","token_address":"0xe11e3cf1d366277ed70158095096366e23df8164","type":"artist","uuid":"a8064d63-45e9-47f5-b6da-6881024862be"}
album: El Cànon de la Terra (Les Tres Erres)
  type: MusicAlbum
  date published: 2020-05-07
album: Cançons Didàctiques, Vol. 1 (Karaoke Version)
  type: MusicAlbum
  date published: 2020-05-31
album: Cançons Didàctiques, Vol. 1
  type: MusicAlbum
  date published: 2020-05-31
album: Com rentar-se les mans
  type: MusicAlbum
  date published: 2020-06-23
album: Cançons Didàctiques, Vol. 2
  type: MusicAlbum
  date published: 2020-10-16
album: Imagina't un Nadal
  type: MusicAlbum
  date published: 2020-12-04
album: Cançons Didàctiques, Vol. 3
  type: MusicAlbum
  date published: 2021-09-09
album: Cançons Didàctiques, Vol. 4
  type: MusicAlbum
  date published: 2021-09-09
album: La Pau
  type: MusicAlbum
  date published: 2022-06-17
album: Les comarques de Catalunya
  type: MusicAlbum
  date published: 2024-10-01