Dave Buchholz
type: MusicGroup
popularity: 5
followers: 50
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4ac54d65c8237736f4bfa4b85c5404937d6f077d001c909ba4d6c72cc72d61f2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954174
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954174
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7e2daa9b-8569-44af-8abe-1b6b767a5a00.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7e2daa9b-8569-44af-8abe-1b6b767a5a00.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7e2daa9b-8569-44af-8abe-1b6b767a5a00
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-18T03:01:36Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4ac54d65c8237736f4bfa4b85c5404937d6f077d001c909ba4d6c72cc72d61f2","name":"Dave Buchholz","registered_at":"2026-06-17T09:34:27Z","symbol":"NIM1354087","token_address":"0xec287bd29528441b6f3de78f5e93d1ccd486e527","type":"artist","uuid":"7e2daa9b-8569-44af-8abe-1b6b767a5a00"}
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 0x4ac54d65c8237736f4bfa4b85c5404937d6f077d001c909ba4d6c72cc72d61f2. Chain 2 (Bitcoin): anchored in block 954174 (2026-06-18T03:01:36Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7e2daa9b-8569-44af-8abe-1b6b767a5a00.json and https://artists.proofprofile.net/proofs/artist/7e2daa9b-8569-44af-8abe-1b6b767a5a00.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-18T03:01:36Z
  text: {"copyright_id":"0x4ac54d65c8237736f4bfa4b85c5404937d6f077d001c909ba4d6c72cc72d61f2","name":"Dave Buchholz","registered_at":"2026-06-17T09:34:27Z","symbol":"NIM1354087","token_address":"0xec287bd29528441b6f3de78f5e93d1ccd486e527","type":"artist","uuid":"7e2daa9b-8569-44af-8abe-1b6b767a5a00"}
album: I Like Beer
  type: MusicAlbum
  date published: 2023-02-02
album: Parenthetical Life: (life)
  type: MusicAlbum
  date published: 2023-03-28
album: Time Again
  type: MusicAlbum
  date published: 2023-08-28
album: We Close Our Eyes
  type: MusicAlbum
  date published: 2023-11-03
album: All The Time
  type: MusicAlbum
  date published: 2024-01-03
album: Another Night in Babylon
  type: MusicAlbum
  date published: 2024-03-10
album: Save Your Breath
  type: MusicAlbum
  date published: 2024-04-01
album: Rural Eclectic
  type: MusicAlbum
  date published: 2025-01-09
  track: Save Your Breath
    type: MusicRecording
    duration: PT5M17S
    duration ms: 317293
    explicit: false
    by artist: Dave Buchholz
    in album: Rural Eclectic
      type: MusicAlbum
      date published: 2025-01-09
    isrc code: QMAAK2473008
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-30T17:44:09+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x4f9f33cf5ec5bfd6471f81b7c49737a8617f4d6f141db43cd1ac0e560026b3e6
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 960291
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/960291
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMAAK2473008
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-30T18:23:33Z
    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 0x4f9f33cf5ec5bfd6471f81b7c49737a8617f4d6f141db43cd1ac0e560026b3e6. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/QMAAK2473008.
      date published: 2026-07-30T18:23:33Z
    audio: Save Your Breath
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 150.656
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.557
      additional property: Energy
        type: PropertyValue
        value: 0.555
      additional property: Speechiness
        type: PropertyValue
        value: 0.085
      additional property: Acousticness
        type: PropertyValue
        value: 0.041
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.072
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.64
      additional property: Loudness (dB)
        type: PropertyValue
        value: -13.144
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: Parenthetical Life (Life)
    type: MusicRecording
    duration: PT4M18S
    duration ms: 258372
    explicit: false
    by artist: Dave Buchholz
    in album: Rural Eclectic
      type: MusicAlbum
      date published: 2025-01-09
    isrc code: QMAAK2473010
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-20T12:41:19+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf72d87898bdc73ee3de7781046d8a59f5b3b14ee9383c2d106ae2c53cf698e40
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956302
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956302
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMAAK2473010
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:30:09Z
    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 0xf72d87898bdc73ee3de7781046d8a59f5b3b14ee9383c2d106ae2c53cf698e40. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/QMAAK2473010.
      date published: 2026-07-02T03:30:09Z
    audio: Parenthetical Life (Life)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 111.15
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.691
      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
  track: Time Again

Energy
type: PropertyValue
value: 0.675

Speechiness
type: PropertyValue
value: 0.107

Acousticness
type: PropertyValue
value: 0.112

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.095

Valence (Positivity)
type: PropertyValue
value: 0.73

Loudness (dB)
type: PropertyValue
value: -12.272

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

Time Again
type: MusicRecording
duration: PT3M12S
duration ms: 192973
explicit: false
by artist: Dave Buchholz
in album: Rural Eclectic
  type: MusicAlbum
  date published: 2025-01-09
isrc code: QMAAK2473014
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T22:48:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd80df9ec25729120e284462969ca031caf2e1db90813b1866f1ed8a68438497d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMAAK2473014
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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 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 0xd80df9ec25729120e284462969ca031caf2e1db90813b1866f1ed8a68438497d. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QMAAK2473014.
  date published: 2026-07-08T03:22:41Z
audio: Time Again
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.33
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.56
  additional property: Energy
    type: PropertyValue
    value: 0.279
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.768
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.117
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.236
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.602
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor