The Chocolate Dandies
type: MusicGroup
genre: big band
genre: swing music
description: The Chocolate Dandies is a Broadway musical in two acts that opened September 1, 1924, at the New Colonial Theatre and ran for 96 performances – finishing November 22, 1924. Initial production The
popularity: 7
followers: 1050
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additional property: OTSVerifyInstructions
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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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  date published: 2026-06-17T08:11:48Z
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album: Six or Seven Times
  type: MusicAlbum
  date published: 2009-11-03
album: Selected Sessions (1922-1931)
  type: MusicAlbum
  date published: 2022-01-01
track: Dee Blues
track: Got Another Sweetie Now
track: Six or Seven Times
track: Blue Interlude - 78rpm Version

Dee Blues
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duration: PT2M56S
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by artist: The Chocolate Dandies
in album: Selected Sessions (1922-1931)
  type: MusicAlbum
  date published: 2019-01-11
isrc code: USSM13100040
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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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
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0e8e4ff7cdff7247fd5388db764cd3ac00bb4ba3b3dd2c1d84ce118fbb0c237. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/USSM13100040.
  date published: 2026-07-08T03:20:19Z
audio: Dee Blues
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Got Another Sweetie Now
type: MusicRecording
duration: PT3M2S
duration ms: 182266
explicit: false
by artist: The Chocolate Dandies
in album: Selected Sessions (1922-1931)
  type: MusicAlbum
  date published: 2019-01-11
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e4a046792711b19eedf58ee600a550ed4329c23127f68c8f362c78b3d29fa43. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/USSM11106292.
  date published: 2026-07-31T02:51:48Z
audio: Got Another Sweetie Now
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isrc code: USSM11106292
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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

Six or Seven Times
type: MusicRecording
duration: PT3M27S
duration ms: 207000
explicit: false
by artist: The Chocolate Dandies
in album: Those Dirty Blues, Vol. 2
  type: MusicAlbum
  date published: 2010-11-25
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4d1c327ad1d1436bbe1f507c844af72c1fdb1fc46e551bcebaf191951a96ffa. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/USM2U0802810.
  date published: 2026-07-31T19:53:13Z
audio: Six or Seven Times
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Key Name
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    value: D
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    value: Major
isrc code: USM2U0802810
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additional property: OTSTimestamp
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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

Blue Interlude - 78rpm Version
type: MusicRecording
duration: PT3M27S
duration ms: 207693
explicit: false
by artist: The Chocolate Dandies
in album: The Columbia And Victor Sessions, Vol. 1
  type: MusicAlbum
  date published: 2018-08-10
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafd81643bd48330b934385c6481b0edb5dee2ddebda600782933d4570c4e5302. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/USSM13300114.
  date published: 2026-07-30T09:57:33Z
audio: Blue Interlude - 78rpm Version
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    type: PropertyValue
    value: -22.73
  additional property: Key Name
    type: PropertyValue
    value: F
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    value: Minor
isrc code: USSM13300114
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additional property: OTSTimestamp
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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