Kay Thompson
type: MusicGroup
description: right|thumb|275px|Hilary Knight's 1996 portrait of Kay Thompson for Vanity Fair Kay Thompson (born Catherine Louise Fink; November 9, 1909"In the St. Louis Registry of Births, in the volume covering
popularity: 17
followers: 803
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb84f34c403dd4d1ab4a3e79cf00897b9c6e21c3f3eaaa77720e0f37becad1971
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 953765
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953765
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bd0e01b0-b8a1-4712-a211-b3916a87639c.ots
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/bd0e01b0-b8a1-4712-a211-b3916a87639c
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
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  value: {"copyright_id":"0xb84f34c403dd4d1ab4a3e79cf00897b9c6e21c3f3eaaa77720e0f37becad1971","name":"Kay Thompson","registered_at":"2026-06-15T00:21:04Z","symbol":"NIM0623013","token_address":"0xc1dffad7c1b3cef38d5da79bb79d957e1a345bd9","type":"artist","uuid":"bd0e01b0-b8a1-4712-a211-b3916a87639c"}
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 0xb84f34c403dd4d1ab4a3e79cf00897b9c6e21c3f3eaaa77720e0f37becad1971. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bd0e01b0-b8a1-4712-a211-b3916a87639c.json and https://artists.proofprofile.net/proofs/artist/bd0e01b0-b8a1-4712-a211-b3916a87639c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T11:57:35Z
  text: {"copyright_id":"0xb84f34c403dd4d1ab4a3e79cf00897b9c6e21c3f3eaaa77720e0f37becad1971","name":"Kay Thompson","registered_at":"2026-06-15T00:21:04Z","symbol":"NIM0623013","token_address":"0xc1dffad7c1b3cef38d5da79bb79d957e1a345bd9","type":"artist","uuid":"bd0e01b0-b8a1-4712-a211-b3916a87639c"}
album: The Best Of
  type: MusicAlbum
  date published: 2009-11-01
track: Bonjour Paris ! - From 'Funny Face / Drôle De Frimousse'
track: Happy Holiday / The Holiday Season

Bonjour Paris ! - From 'Funny Face / Drôle De Frimousse'
type: MusicRecording
duration: PT6M5S
duration ms: 365520
explicit: false
by artist: Audrey Hepburn
by artist: Fred Astaire
by artist: Kay Thompson
in album: A Touch of Music
  type: MusicAlbum
  date published: 2017-09-15
isrc code: FRZ811411049
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T15:12:44+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
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  value: 957055
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-07T15:12:44+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa645d6f7d90a3d15b1e82bb24b793906c84afea03cdfffa21b4b357cceb2bff9. Chain 2 (Bitcoin): anchored in block 957055 (2026-07-21T20:33:19Z), 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/FRZ811411049.
  date published: 2026-07-21T20:33:19Z
audio: Bonjour Paris ! - From 'Funny Face / Drôle De Frimousse'
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.621
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.428
  additional property: Energy
    type: PropertyValue
    value: 0.468
  additional property: Speechiness
    type: PropertyValue
    value: 0.078
  additional property: Acousticness
    type: PropertyValue
    value: 0.804
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.059
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.522
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.155
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Happy Holiday / The Holiday Season
type: MusicRecording
duration: PT2M37S
duration ms: 157217
explicit: false
by artist: Kay Thompson
by artist: Irving Berlin
by artist: Andy Williams
by artist: Robert Mersey & His Orchestra
in album: Classic Christmas Music
  type: MusicAlbum
  date published: 2024-05-04
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1466e84f43d3f6a36fd8dd388db0908020871a57888a10950edf6bba6ed523a3. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/USSM10027541.
  date published: 2026-07-29T19:35:34Z
audio: Happy Holiday / The Holiday Season
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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    value: 0
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
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    value: 5
  additional property: Danceability
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  additional property: Energy
    type: PropertyValue
    value: 0.51
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.825
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.183
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.752
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.013
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USSM10027541
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10027541
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 960138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
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