Dos Dias de Sangre
type: MusicGroup
genre: hardcore
popularity: 4
followers: 3855
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1fb8b4b4219853f7ed9f9a1e49bff4c64b8f1a29dca647d6dd022a45bc34e859
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8cb1eed5-9869-4940-b6a2-c53454fbeb94.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8cb1eed5-9869-4940-b6a2-c53454fbeb94.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8cb1eed5-9869-4940-b6a2-c53454fbeb94
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1fb8b4b4219853f7ed9f9a1e49bff4c64b8f1a29dca647d6dd022a45bc34e859","name":"Dos Dias de Sangre","registered_at":"2026-06-17T14:42:38Z","symbol":"NIM1427515","token_address":"0x6e6b6106e2b5113ba73201dce962bda20a8399bd","type":"artist","uuid":"8cb1eed5-9869-4940-b6a2-c53454fbeb94"}
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 0x1fb8b4b4219853f7ed9f9a1e49bff4c64b8f1a29dca647d6dd022a45bc34e859. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8cb1eed5-9869-4940-b6a2-c53454fbeb94.json and https://artists.proofprofile.net/proofs/artist/8cb1eed5-9869-4940-b6a2-c53454fbeb94.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x1fb8b4b4219853f7ed9f9a1e49bff4c64b8f1a29dca647d6dd022a45bc34e859","name":"Dos Dias de Sangre","registered_at":"2026-06-17T14:42:38Z","symbol":"NIM1427515","token_address":"0x6e6b6106e2b5113ba73201dce962bda20a8399bd","type":"artist","uuid":"8cb1eed5-9869-4940-b6a2-c53454fbeb94"}
album: Ultimo Hombre
  type: MusicAlbum
  date published: 2016-02-20
album: BOUND BY HONOR
  type: MusicAlbum
  date published: 2005-12-23
album: S/t Split
  type: MusicAlbum
  date published: 2011-02-11
album: Dia de los Muertos
  type: MusicAlbum
  date published: 2011-02-07
  track: Por Vida Carnal
    type: MusicRecording
    duration: PT4M18S
    duration ms: 258600
    explicit: false
    by artist: Dos Dias de Sangre
    in album: Dia de los Muertos
      type: MusicAlbum
      date published: 2011-02-07
    popularity: 11
    genre: hardcore
    isrc code: DEBL60873470
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-28T01:08:17+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x1fa2a40d64c52e7f0f29c1de54c256900fc562e1c17c3b74aa08f1c338a82d13
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956375
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956375
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEBL60873470
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T16:51:38Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x1fa2a40d64c52e7f0f29c1de54c256900fc562e1c17c3b74aa08f1c338a82d13. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEBL60873470.
      date published: 2026-07-02T16:51:38Z
    audio: Por Vida Carnal
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 105.463
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.439
      additional property: Energy
        type: PropertyValue
        value: 0.975
      additional property: Speechiness
        type: PropertyValue
        value: 0.324
      additional property: Acousticness
        type: PropertyValue
        value: 0.002
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.367
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.155
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.315
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Minor