Rev Hammer
type: MusicGroup
genre: celtic rock
genre: folk
genre: folk punk
genre: folk rock
popularity: 8
followers: 1281
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xae81a461e98a828827ee435d85ca7bfd96201b58b7700213eb6475403d7e32ec
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954013
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954013
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/346b5646-a0b1-4347-8c51-e0010c7107b1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/346b5646-a0b1-4347-8c51-e0010c7107b1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/346b5646-a0b1-4347-8c51-e0010c7107b1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T22:27:01Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xae81a461e98a828827ee435d85ca7bfd96201b58b7700213eb6475403d7e32ec","name":"Rev Hammer","registered_at":"2026-06-16T07:51:31Z","symbol":"NIM0985990","token_address":"0x644b3a5a4e7b6440b051e422ab15af8028656820","type":"artist","uuid":"346b5646-a0b1-4347-8c51-e0010c7107b1"}
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 0xae81a461e98a828827ee435d85ca7bfd96201b58b7700213eb6475403d7e32ec. Chain 2 (Bitcoin): anchored in block 954015 (2026-06-16T22:55:46Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/346b5646-a0b1-4347-8c51-e0010c7107b1.json and https://artists.proofprofile.net/proofs/artist/346b5646-a0b1-4347-8c51-e0010c7107b1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:55:46Z
  text: {"copyright_id":"0xae81a461e98a828827ee435d85ca7bfd96201b58b7700213eb6475403d7e32ec","name":"Rev Hammer","registered_at":"2026-06-16T07:51:31Z","symbol":"NIM0985990","token_address":"0x644b3a5a4e7b6440b051e422ab15af8028656820","type":"artist","uuid":"346b5646-a0b1-4347-8c51-e0010c7107b1"}
album: Industrial Sounds & Magic
  type: MusicAlbum
  date published: 1991-01-01
album: Industrial Sounds & Magic
  type: MusicAlbum
  date published: 1991-01-01
  track: Down by the River Â€˜o'
    type: MusicRecording
    duration: PT4M2S
    duration ms: 242373
    explicit: false
    by artist: Rev Hammer
    in album: Industrial Sounds & Magic
      type: MusicAlbum
      date published: 1991-01-01
    genre: celtic rock
    genre: folk
    genre: folk punk
    genre: folk rock
    isrc code: GBCEJ0599776
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T04:33:09+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8cfc844581aadf0f3da3eca11f511cfcd8e93851b54107c22dc4134314ee0d7b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956474
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956474
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCEJ0599776
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T08:56:35Z
    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 0x8cfc844581aadf0f3da3eca11f511cfcd8e93851b54107c22dc4134314ee0d7b. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/GBCEJ0599776.
      date published: 2026-07-03T08:56:35Z
    audio: Down by the River Â€˜o'
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 187.346
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.424
      additional property: Energy
        type: PropertyValue
        value: 0.723
      additional property: Speechiness
        type: PropertyValue
        value: 0.061
      additional property: Acousticness
        type: PropertyValue
        value: 0.105
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.056
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.893
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.337
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: The Bishop of Buffalo
  type: MusicAlbum
  date published: 1994-01-01
album: The Bishop Of Buffalo
  type: MusicAlbum
  date published: 1994-01-01
album: The Bishop of Buffalo
  type: MusicAlbum
  date published: 1994-01-01
album: Free-Born John (The Story of John Lilburne)
  type: MusicAlbum
  date published: 1997-01-01
album: Free-Born John (The Story of John Lilburne)
  type: MusicAlbum
  date published: 1997-01-01
  track: Burford Stomp
    type: MusicRecording
    duration: PT2M14S
    duration ms: 134600
    explicit: false
    by artist: Rev Hammer
    in album: Free-Born John (The Story of John Lilburne)
      type: MusicAlbum
      date published: 1997-01-01
    genre: celtic rock
    genre: folk
    genre: folk punk
    genre: folk rock
    isrc code: GBCEJ0599405
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T00:14:27+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3f2368622a80b07c219d1005a100b9e3f289a6fc83833141ae22848d55c2032f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958802
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958802
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCEJ0599405
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T03:12:26Z
    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 0x3f2368622a80b07c219d1005a100b9e3f289a6fc83833141ae22848d55c2032f. Chain 2 (Bitcoin): anchored in block 958802 (2026-07-20T03:12:26Z), 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/GBCEJ0599405.
      date published: 2026-07-20T03:12:26Z
    audio: Burford Stomp
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 121.271
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: The Green Fool Recordings
album: Spitting Feathers
album: Down the Alley
album: Skald
album: Stargazing

Mode (Major/Minor)
type: PropertyValue
value: 0

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.484

Energy
type: PropertyValue
value: 0.73

Speechiness
type: PropertyValue
value: 0.033

Acousticness
type: PropertyValue
value: 0.232

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.542

Valence (Positivity)
type: PropertyValue
value: 0.961

Loudness (dB)
type: PropertyValue
value: -7.681

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Minor

Free-Born John (The Story of John Lilburne)
type: MusicAlbum
date published: 1997-01-01

The Green Fool Recordings
type: MusicAlbum
date published: 1998-03-02

Spitting Feathers
type: MusicAlbum
date published: 2004-06-04

Down the Alley
type: MusicAlbum
date published: 2010-07-06

Skald
type: MusicAlbum
date published: 2017-03-18

Stargazing
type: MusicAlbum
date published: 2023-04-28