Mr Hammer
type: MusicGroup
popularity: 7
followers: 1156
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2f6cd4c94a14834e73af7224e0b69533605c97ada104b5afc91dec60f2570dcf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4ec90e23-b6ad-4e55-83c2-b752c62e8e51.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4ec90e23-b6ad-4e55-83c2-b752c62e8e51.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4ec90e23-b6ad-4e55-83c2-b752c62e8e51
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2f6cd4c94a14834e73af7224e0b69533605c97ada104b5afc91dec60f2570dcf","name":"Mr Hammer","registered_at":"2026-06-16T17:21:31Z","symbol":"NIM1121987","token_address":"0xf096f24d4c3591a84900f1c84800017fd1eb8f11","type":"artist","uuid":"4ec90e23-b6ad-4e55-83c2-b752c62e8e51"}
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 0x2f6cd4c94a14834e73af7224e0b69533605c97ada104b5afc91dec60f2570dcf. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4ec90e23-b6ad-4e55-83c2-b752c62e8e51.json and https://artists.proofprofile.net/proofs/artist/4ec90e23-b6ad-4e55-83c2-b752c62e8e51.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0x2f6cd4c94a14834e73af7224e0b69533605c97ada104b5afc91dec60f2570dcf","name":"Mr Hammer","registered_at":"2026-06-16T17:21:31Z","symbol":"NIM1121987","token_address":"0xf096f24d4c3591a84900f1c84800017fd1eb8f11","type":"artist","uuid":"4ec90e23-b6ad-4e55-83c2-b752c62e8e51"}
album: Love Will Never End
  type: MusicAlbum
  date published: 2024-08-23
album: Where Is the Mr. Bartender?
  type: MusicAlbum
  date published: 2024-08-29
  track: Where Is the Mr. Bartender?
    type: MusicRecording
    duration: PT3M31S
    duration ms: 211636
    explicit: false
    by artist: Mr Hammer
    in album: Where Is the Mr. Bartender?
      type: MusicAlbum
      date published: 2024-08-29
    isrc code: USL4Q2474088
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T11:45:06+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x426b108649ab2935258cac2fd0e5c2a5d62a00c6bb929063aba9d1342cb9bf34
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958157
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958157
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q2474088
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T14:47:41Z
    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 0x426b108649ab2935258cac2fd0e5c2a5d62a00c6bb929063aba9d1342cb9bf34. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T14:47:41Z), 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/USL4Q2474088.
      date published: 2026-07-15T14:47:41Z
    audio: Where Is the Mr. Bartender?
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 169.199
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.744
      additional property: Energy
        type: PropertyValue
        value: 0.57
      additional property: Speechiness
        type: PropertyValue
        value: 0.113
      additional property: Acousticness
        type: PropertyValue
        value: 0.113
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.121
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.911
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.136
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Where Is the Mr. Bartender?
  type: MusicAlbum
  date published: 2024-08-29
album: My Sweet Lady
  type: MusicAlbum
  date published: 2024-11-08
  track: My Sweet Lady
    type: MusicRecording
    duration: PT3M7S
    duration ms: 187560
    explicit: false
    by artist: Mr Hammer
    in album: My Sweet Lady
      type: MusicAlbum
      date published: 2024-11-08
    isrc code: CBEYJ2407550
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T17:06:24+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x50369fa4a979bcf1e2d6bb1e389532f37066b86b0c18b11f9eb1d6b7b4e68418
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958761
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958761
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CBEYJ2407550
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T20:05:24Z
    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 0x50369fa4a979bcf1e2d6bb1e389532f37066b86b0c18b11f9eb1d6b7b4e68418. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T20:05:24Z), 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/CBEYJ2407550.
      date published: 2026-07-19T20:05:24Z
    audio: My Sweet Lady
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 92.037
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.824
      additional property: Energy
        type: PropertyValue
        value: 0.703
      additional property: Speechiness
        type: PropertyValue
        value: 0.057
      additional property: Acousticness
        type: PropertyValue
        value: 0.13
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: The songs of courage
album: The Songs of Courage

Liveness
type: PropertyValue
value: 0.191

Valence (Positivity)
type: PropertyValue
value: 0.412

Loudness (dB)
type: PropertyValue
value: -6.048

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Major

The songs of courage
type: MusicAlbum
date published: 2025-06-27
track: The songs of courage
  type: MusicRecording
  duration: PT3M36S
  duration ms: 216119
  explicit: false
  by artist: Mr Hammer
  in album: The songs of courage
    type: MusicAlbum
    date published: 2025-06-27
  isrc code: CALVP2517344
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T10:53:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x27eaf88e5b5cb0d67c89d1471af0020d4fe2daf2265dfd48fdb9741c158fe31f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958867
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958867
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALVP2517344
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T13:55:31Z
  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 0x27eaf88e5b5cb0d67c89d1471af0020d4fe2daf2265dfd48fdb9741c158fe31f. Chain 2 (Bitcoin): anchored in block 958867 (2026-07-20T13:55:31Z), 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/CALVP2517344.
    date published: 2026-07-20T13:55:31Z
  audio: The songs of courage
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 77.075
    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: 0.823
    additional property: Energy
      type: PropertyValue
      value: 0.604
    additional property: Speechiness
      type: PropertyValue
      value: 0.093
    additional property: Acousticness
      type: PropertyValue
      value: 0.142
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.202
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.549
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.974
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Where Is the Mr. Bartender?
type: MusicAlbum
date published: 2025-08-10

The Songs of Courage
type: MusicAlbum
date published: 2025-08-24