The Old Headz
type: MusicGroup
popularity: 9
followers: 112
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe1798a175f3d4beb3b9faecec1c04c735404339ba3187f47f325575ad4a0bd73
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953949
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953949
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0b7fe963-ee08-4ce1-b4eb-b6e8612981e4.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0b7fe963-ee08-4ce1-b4eb-b6e8612981e4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0b7fe963-ee08-4ce1-b4eb-b6e8612981e4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T13:28:01Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe1798a175f3d4beb3b9faecec1c04c735404339ba3187f47f325575ad4a0bd73","name":"The Old Headz","registered_at":"2026-06-15T17:32:13Z","symbol":"NIM0780863","token_address":"0x925a44d5ff273bfd3b4b75818fa89b01b33c8d73","type":"artist","uuid":"0b7fe963-ee08-4ce1-b4eb-b6e8612981e4"}
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 0xe1798a175f3d4beb3b9faecec1c04c735404339ba3187f47f325575ad4a0bd73. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0b7fe963-ee08-4ce1-b4eb-b6e8612981e4.json and https://artists.proofprofile.net/proofs/artist/0b7fe963-ee08-4ce1-b4eb-b6e8612981e4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
  text: {"copyright_id":"0xe1798a175f3d4beb3b9faecec1c04c735404339ba3187f47f325575ad4a0bd73","name":"The Old Headz","registered_at":"2026-06-15T17:32:13Z","symbol":"NIM0780863","token_address":"0x925a44d5ff273bfd3b4b75818fa89b01b33c8d73","type":"artist","uuid":"0b7fe963-ee08-4ce1-b4eb-b6e8612981e4"}
album: His & Hers 1
  type: MusicAlbum
  date published: 2022-12-23
album: Big vs Jay
  type: MusicAlbum
  date published: 2023-03-09
album: His & Hers 2
  type: MusicAlbum
  date published: 2024-01-11
  track: Nothing Compares
    type: MusicRecording
    duration: PT4M23S
    duration ms: 263784
    explicit: true
    by artist: The Old Headz
    in album: His & Hers 2
      type: MusicAlbum
      date published: 2024-01-11
    isrc code: TCAHU2423758
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T08:59:43+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xd66c82271037d118fd4faaa35f5567a465ea688799b3800aabd5252c7d9aeb39
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958711
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958711
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAHU2423758
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T09:26:32Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd66c82271037d118fd4faaa35f5567a465ea688799b3800aabd5252c7d9aeb39. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/TCAHU2423758.
      date published: 2026-07-19T09:26:32Z
    audio: Nothing Compares
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 120.025
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.75
      additional property: Energy
        type: PropertyValue
        value: 0.705
      additional property: Speechiness
        type: PropertyValue
        value: 0.064
      additional property: Acousticness
        type: PropertyValue
        value: 0.028
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.259
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.287
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.02
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: LiL' Headz
  type: MusicAlbum
  date published: 2024-02-29
album: Skip
  type: MusicAlbum
  date published: 2024-04-30
album: Her's
  type: MusicAlbum
  date published: 2024-06-21
album: 5Oldheadz
  type: MusicAlbum
  date published: 2024-07-18
album: Big vs Jay (The Instrumentals)
  type: MusicAlbum
  date published: 2024-08-03
album: Ye vs Yé
  type: MusicAlbum
  date published: 2024-10-03
album: Beer Headz
  type: MusicAlbum
  date published: 2024-10-31
album: Big vs Jay 2
  type: MusicAlbum
  date published: 2024-11-11
album: José
  type: MusicAlbum
  date published: 2024-12-23
album: ColeHeadz
  type: MusicAlbum
  date published: 2025-02-28
album: His & Her's 3
  type: MusicAlbum
  date published: 2025-06-21
album: Aplomb
  type: MusicAlbum
  date published: 2025-08-03
album: Beer Headz (The Instrumentals)
  type: MusicAlbum
  date published: 2025-10-31
album: Naz
  type: MusicAlbum
  date published: 2025-11-11
track: Huele A Callé

Huele A Callé
type: MusicRecording
duration: PT3M15S
duration ms: 195231
explicit: false
by artist: Salazar El Tabaquero
by artist: The Old Headz
in album: Huele A Callé
  type: MusicAlbum
  date published: 2024-06-03
isrc code: QZNWS2418059
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T15:09:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe2837a90e83e0e0c5a94ab9eff11750385fab282d589af1e6a2997f8a40e7e5f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWS2418059
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2837a90e83e0e0c5a94ab9eff11750385fab282d589af1e6a2997f8a40e7e5f. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QZNWS2418059.
  date published: 2026-07-02T05:09:12Z
audio: Huele A Callé
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.247
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.838
  additional property: Energy
    type: PropertyValue
    value: 0.531
  additional property: Speechiness
    type: PropertyValue
    value: 0.335
  additional property: Acousticness
    type: PropertyValue
    value: 0.046
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.36
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.715
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.707
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor