Sidernova
type: MusicGroup
popularity: 7
followers: 1157
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcf6227fd0d262db9e741858e1a88e37c6ddd85c9f993535c10658b06a9d3f32f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954717
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954717
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f377974d-0896-4c78-abe6-f0d57ca0f9a9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f377974d-0896-4c78-abe6-f0d57ca0f9a9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f377974d-0896-4c78-abe6-f0d57ca0f9a9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T15:47:51Z
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 0xcf6227fd0d262db9e741858e1a88e37c6ddd85c9f993535c10658b06a9d3f32f. Chain 2 (Bitcoin): anchored in block 954717 (2026-06-21T15:47:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f377974d-0896-4c78-abe6-f0d57ca0f9a9.json and https://artists.proofprofile.net/proofs/artist/f377974d-0896-4c78-abe6-f0d57ca0f9a9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T15:47:51Z
album: Activemos
  type: MusicAlbum
  date published: 2017-09-21
album: Secreto a Voces
  type: MusicAlbum
  date published: 2019-11-08
album: Volvernos a Ver
  type: MusicAlbum
  date published: 2020-08-13
album: Volvernos a Ver
  type: MusicAlbum
  date published: 2020-08-13
album: Live Session
  type: MusicAlbum
  date published: 2020-11-14
album: Te Llamé
  type: MusicAlbum
  date published: 2021-03-27
album: El Disfraz
  type: MusicAlbum
  date published: 2021-10-01
album: Canción de Enero
  type: MusicAlbum
  date published: 2022-02-14
album: La Noche Nunca Alcanza
  type: MusicAlbum
  date published: 2022-07-14
album: Nueva Estrella
  type: MusicAlbum
  date published: 2024-03-15
album: Verano Traidor
  type: MusicAlbum
  date published: 2024-04-15
album: Contacto Cero
  type: MusicAlbum
  date published: 2024-06-21
album: Nueva Estrella
  type: MusicAlbum
  date published: 2025-02-28