Brian Holland
type: MusicGroup
genre: ragtime
description: Brian Holland (born February 15, 1941) is an American songwriter and record producer, brother to songwriter and record producer Eddie Holland. Biography Early life Brian Holland was born in Detr
popularity: 6
followers: 14
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  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x743f5919f77f24d884624d4ee3c73b05f22f8ea4bc607e716051b6250fd1981f. Chain 2 (Bitcoin): anchored in block 954631 (2026-06-21T02:46:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cf7b8c88-d1cc-4c39-9fa5-ca9185e751c2.json and https://artists.proofprofile.net/proofs/artist/cf7b8c88-d1cc-4c39-9fa5-ca9185e751c2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T02:46:24Z
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album: Two Man Job
  type: MusicAlbum
  date published: 2013-01-15
album: Three's Company
  type: MusicAlbum
  date published: 2014-04-15
  track: Pickles and Peppers
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    duration: PT2M51S
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    by artist: Brian Holland
    in album: Three's Company
      type: MusicAlbum
      date published: 2014-04-15
    genre: ragtime
    isrc code: QMFME1457429
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      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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x096187f39b0f666aca13ffda3255a579d820c84daad720033b3b10b9299f215f. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T16:17:23Z), 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/QMFME1457429.
      date published: 2026-07-19T16:17:23Z
    audio: Pickles and Peppers
      type: AudioObject
      additional property: Tempo (BPM)
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        value: 126.544
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      additional property: Loudness (dB)
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  track: Baltimore Todolo
    type: MusicRecording
    duration: PT6M45S
    duration ms: 405360
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    by artist: Brian Holland
    in album: Three's Company
      type: MusicAlbum
      date published: 2014-04-15
    genre: ragtime
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      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
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      date published: 2026-07-20T21:15:01Z
    audio: Baltimore Todolo
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 101.901
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
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        value: 1
      additional property: Time Signature
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        value: 4
      additional property: Danceability
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      additional property: Energy
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      additional property: Speechiness
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      additional property: Acousticness
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      additional property: Instrumentalness
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album: Brian Holland and The Ragabonds

Liveness
type: PropertyValue
value: 0.075

Valence (Positivity)
type: PropertyValue
value: 0.809

Loudness (dB)
type: PropertyValue
value: -14.255

Key Name
type: PropertyValue
value: Bb

Mode Name
type: PropertyValue
value: Major

Brian Holland and The Ragabonds
type: MusicAlbum
date published: 2024-09-27