Christoph Spendel
type: MusicGroup
genre: nu jazz
genre: smooth jazz
popularity: 24
followers: 1683
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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 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
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album: Dreams & Melodies
  type: MusicAlbum
  date published: 1982
album: The L+R Collection
  type: MusicAlbum
  date published: 1989
album: Dreams And Melodics
  type: MusicAlbum
  date published: 1992
album: Out Of Town
  type: MusicAlbum
  date published: 1995
album: Thoughts
  type: MusicAlbum
  date published: 1995-04-03
album: City Kids
  type: MusicAlbum
  date published: 1996
album: The Art Of Solo Piano
  type: MusicAlbum
  date published: 1997
album: The Art of Solo Piano
  type: MusicAlbum
  date published: 1997
album: Flight 408
  type: MusicAlbum
  date published: 1998
album: Silent Night
  type: MusicAlbum
  date published: 1999
album: New York Groove
  type: MusicAlbum
  date published: 2001
album: Flight 408
  type: MusicAlbum
  date published: 2005-03-08
album: Shanghai City Lights
  type: MusicAlbum
  date published: 2005-04-19
album: Quer Zum Strom
  type: MusicAlbum
  date published: 2010-05-19
album: Between The Moments
  type: MusicAlbum
  date published: 2010-06-16
album: Standarts Vol.1
  type: MusicAlbum
  date published: 2010-06-16
album: Unexpected Elements
  type: MusicAlbum
  date published: 2010-06-25
album: Distorted Skies
  type: MusicAlbum
  date published: 2010-06-25
album: New Avenues
  type: MusicAlbum
  date published: 2010-06-25
album: Orange Town
  type: MusicAlbum
  date published: 2010-06-25
album: The Three Worlds
  type: MusicAlbum
  date published: 2010-06-25
album: Deep Down Ibiza
  type: MusicAlbum
  date published: 2011-05-08
album: Jazzmatics
  type: MusicAlbum
  date published: 2011-07-03
album: December Piano Music
  type: MusicAlbum
  date published: 2011-09-28
album: Just Friends
  type: MusicAlbum
  date published: 2011-11-02
album: Synthphonic Piano
  type: MusicAlbum
  date published: 2011-11-05
album: Chilltronic Passage, Vol. 4
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  date published: 2012
album: Chilltronic Passage - Silent Circus
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  date published: 2012
album: Chilltronic Passage, Vol. 3
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  track: Puerto Del Rosario
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    genre: nu jazz
    genre: smooth jazz
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      date published: 2026-07-15T16:21:50Z
    audio: Puerto Del Rosario
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album: Chilltronic Passage, Vol. 1
album: Chilltronic Passage, Vol. 2
album: Jazzmatics 2 City At Dark
album: Jazzmatics Chill Out Vol.1
album: Jazzmatics Chill Out Vol.2
album: Jazzmatics Upbeat
album: Acoustic Music Vol. 1
album: Chilltronic Passage - Volume 4
album: Chilltronic Passage - Volume 3
album: Chilltronic Passage - Volume 2
album: Chilltronic Passage - Volume 1
album: Winter Wonderland
album: Electric Piano Dreams
album: Electric Park
album: Electric Jazz
album: Cool Piano
album: The Blue Flame Collection
album: Lights of Yaiza
album: Latin Piano
album: Jazz Up
album: Latin Chill
album: Another Day
album: Smooth Jazz Park Volume 1
album: Smooth Jazz Park Volume 2
album: Brasitronics
album: Back to the Eighties, Vol. 1
album: Back to the Eighties, Vol. 3
album: Back in Town
album: Terra Del Solo
album: Canary Chill
album: The Piano Side of Frank Sinatra
album: Sun Over The Park
album: Brasitronics 3
album: Canary Chill, Vol. 1

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Chilltronic Passage, Vol. 1
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Chilltronic Passage, Vol. 2
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Jazzmatics 2 City At Dark
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Jazzmatics Chill Out Vol.1
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Jazzmatics Chill Out Vol.2
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date published: 2012-05-19

Jazzmatics Upbeat
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date published: 2012-05-20

Acoustic Music Vol. 1
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date published: 2012-06-10

Chilltronic Passage - Volume 4
type: MusicAlbum
date published: 2012-09-14

Chilltronic Passage - Volume 3
type: MusicAlbum
date published: 2012-09-14

Chilltronic Passage - Volume 2
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date published: 2012-09-14

Chilltronic Passage - Volume 1
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date published: 2012-09-14

Chilltronic Passage - Silent Circus
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date published: 2012-09-14

Winter Wonderland
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date published: 2013

Electric Piano Dreams
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date published: 2013

Electric Park
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date published: 2013

Electric Jazz
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date published: 2013

Cool Piano
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date published: 2013
track: Sunny
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  genre: nu jazz
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-19T17:49:48Z
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The Blue Flame Collection
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Lights of Yaiza
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Latin Piano
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Jazz Up
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Latin Chill
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Another Day
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Smooth Jazz Park Volume 1
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Smooth Jazz Park Volume 2
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Winter Wonderland
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Brasitronics
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date published: 2014
track: Bossa Nostra
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  by artist: Christoph Spendel
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    date published: 2014
  genre: nu jazz
  genre: smooth jazz
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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Back to the Eighties, Vol. 1
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Back to the Eighties, Vol. 3
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Back in Town
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Terra Del Solo
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Canary Chill
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The Piano Side of Frank Sinatra
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-03T10:33:57Z
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track: Autumn in New York
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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 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 0x33c6ceb2e3ec3ec635e7eee1a88496e9f00c14ab07637f5e7d1a989b143b5b8d. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T09:47:57Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC591500082 — a six-check JSON result.
    date published: 2026-07-15T09:47:57Z
  audio: Autumn in New York
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 65.576
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.349
    additional property: Energy
      type: PropertyValue
      value: 0.098
    additional property: Speechiness
      type: PropertyValue
      value: 0.047
    additional property: Acousticness
      type: PropertyValue
      value: 0.991
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.913
    additional property: Liveness
      type: PropertyValue
      value: 0.085
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.042
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.378
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: As Time Goes By
  type: MusicRecording
  duration: PT1M54S
  duration ms: 114000
  explicit: false
  by artist: Christoph Spendel
  in album: The Piano Side of Frank Sinatra
    type: MusicAlbum
    date published: 2015-01-28
  genre: nu jazz
  genre: smooth jazz
  isrc code: DEC591500084
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T01:12:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8a05314e8c56f6fc910a6634d4ea1645b74f80c279c6ef3638034c3107d5f3b6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956639
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: As Time Goes By
track: Pennies from Heaven
track: I Left My Heart in San Fransisco
track: Cheek to Cheek
track: I've Got the World on a String
track: Moon River
track: I'll Be Seeing You
track: New York, New York
track: Smoke Gets in Your Eyes
track: Blue Moon
track: Fly Me to the Moon

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956639

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC591500084

OTSTimestamp
type: PropertyValue
value: 2026-07-04T11:19:20Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a05314e8c56f6fc910a6634d4ea1645b74f80c279c6ef3638034c3107d5f3b6. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC591500084 — a six-check JSON result.
date published: 2026-07-04T11:19:20Z

As Time Goes By
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 167.951
additional property: Musical Key
  type: PropertyValue
  value: 3
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 3
additional property: Danceability
  type: PropertyValue
  value: 0.349
additional property: Energy
  type: PropertyValue
  value: 0.157
additional property: Speechiness
  type: PropertyValue
  value: 0.062
additional property: Acousticness
  type: PropertyValue
  value: 0.991
additional property: Instrumentalness
  type: PropertyValue
  value: 0.863
additional property: Liveness
  type: PropertyValue
  value: 0.147
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.282
additional property: Loudness (dB)
  type: PropertyValue
  value: -18.146
additional property: Key Name
  type: PropertyValue
  value: Eb
additional property: Mode Name
  type: PropertyValue
  value: Major

Pennies from Heaven
type: MusicRecording
duration: PT4M6S
duration ms: 246000
explicit: false
by artist: Christoph Spendel
in album: The Piano Side of Frank Sinatra
  type: MusicAlbum
  date published: 2015-01-28
genre: nu jazz
genre: smooth jazz
isrc code: DEC591500085
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T04:56:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdacdb0b9a1b924c80f6e720a4831e37249e22ec17c681135ac21d62de4e9e0b0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958667
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC591500085
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T05:04:54Z
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 0xdacdb0b9a1b924c80f6e720a4831e37249e22ec17c681135ac21d62de4e9e0b0. Chain 2 (Bitcoin): anchored in block 958667 (2026-07-19T05:04:54Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC591500085 — a six-check JSON result.
  date published: 2026-07-19T05:04:54Z
audio: Pennies from Heaven
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 70.814
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.35
  additional property: Energy
    type: PropertyValue
    value: 0.08
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.903
  additional property: Liveness
    type: PropertyValue
    value: 0.165
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.14
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.884
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

I Left My Heart in San Fransisco
type: MusicRecording
duration: PT4M20S
duration ms: 260413
explicit: false
by artist: Christoph Spendel
in album: The Piano Side of Frank Sinatra
  type: MusicAlbum
  date published: 2015-01-28
genre: nu jazz
genre: smooth jazz
isrc code: DEC591500087
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T11:51:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe7ce30eaca989dd6067816dc8672ca9fc8feda39e138d4c7a88eba0f3054d140
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956725
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956725
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC591500087
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T01:12:41Z
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 0xe7ce30eaca989dd6067816dc8672ca9fc8feda39e138d4c7a88eba0f3054d140. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC591500087 — a six-check JSON result.
  date published: 2026-07-05T01:12:41Z
audio: I Left My Heart in San Fransisco
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 68.219
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.394
  additional property: Energy
    type: PropertyValue
    value: 0.086
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.928
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.08
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.495
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Cheek to Cheek
type: MusicRecording
duration: PT2M49S
duration ms: 169347
explicit: false
by artist: Christoph Spendel
in album: The Piano Side of Frank Sinatra
  type: MusicAlbum
  date published: 2015-01-28
genre: nu jazz
genre: smooth jazz
isrc code: DEC591500088
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T18:20:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x94256add3d9baa8c79d7e254359a2bfbb8887f016c5b833634b2e414c8e4626e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958316
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958316
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC591500088
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T19:42:29Z
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 0x94256add3d9baa8c79d7e254359a2bfbb8887f016c5b833634b2e414c8e4626e. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC591500088 — a six-check JSON result.
  date published: 2026-07-16T19:42:29Z
audio: Cheek to Cheek
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.897
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.468
  additional property: Energy
    type: PropertyValue
    value: 0.161
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.954
  additional property: Liveness
    type: PropertyValue
    value: 0.139
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.073
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.618
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

I've Got the World on a String
type: MusicRecording
duration: PT4M31S
duration ms: 271635
explicit: false
by artist: Christoph Spendel
in album: The Piano Side of Frank Sinatra
  type: MusicAlbum
  date published: 2015-01-28
genre: nu jazz
genre: smooth jazz
isrc code: DEC591500089
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T18:02:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xedae19fdcfee1451dd7098a19282d55bdea0b0c45c98725ede921b731ff1bb35
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956826
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956826
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC591500089
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T19:27:56Z
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 0xedae19fdcfee1451dd7098a19282d55bdea0b0c45c98725ede921b731ff1bb35. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC591500089 — a six-check JSON result.
  date published: 2026-07-05T19:27:56Z
audio: I've Got the World on a String
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.536
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.507
  additional property: Energy
    type: PropertyValue
    value: 0.086
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.922
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.129
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.387
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Moon River
type: MusicRecording
duration: PT2M18S
duration ms: 138000
explicit: false
by artist: Christoph Spendel
in album: The Piano Side of Frank Sinatra
  type: MusicAlbum
  date published: 2015-01-28
genre: nu jazz
genre: smooth jazz
isrc code: DEC591500090
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T18:04:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0dd88aa26dbe7bb917eb98a679ea1f6f38641217dd3b412adf5a0894f21495e5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956826
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956826
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC591500090
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T19:27:56Z
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 0x0dd88aa26dbe7bb917eb98a679ea1f6f38641217dd3b412adf5a0894f21495e5. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC591500090 — a six-check JSON result.
  date published: 2026-07-05T19:27:56Z
audio: Moon River
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 65.037
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.31
  additional property: Energy
    type: PropertyValue
    value: 0.192
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.927
  additional property: Liveness
    type: PropertyValue
    value: 0.166
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.195
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.543
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

I'll Be Seeing You
type: MusicRecording
duration: PT4M28S
duration ms: 268410
explicit: false
by artist: Christoph Spendel
in album: The Piano Side of Frank Sinatra
  type: MusicAlbum
  date published: 2015-01-28
genre: nu jazz
genre: smooth jazz
isrc code: DEC591500091
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T17:53:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3b77476edda59674b85c7c012f2e25ca2f977110cf2ac146b66f613c02d57bae
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956826
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956826
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC591500091
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T19:27:56Z
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 0x3b77476edda59674b85c7c012f2e25ca2f977110cf2ac146b66f613c02d57bae. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC591500091 — a six-check JSON result.
  date published: 2026-07-05T19:27:56Z
audio: I'll Be Seeing You
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.64
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.456
  additional property: Energy
    type: PropertyValue
    value: 0.137
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.919
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.133
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.555
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

New York, New York
type: MusicRecording
duration: PT3M36S
duration ms: 216000
explicit: false
by artist: Christoph Spendel
in album: The Piano Side of Frank Sinatra
  type: MusicAlbum
  date published: 2015-01-28
genre: nu jazz
genre: smooth jazz
isrc code: DEC591500094
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T01:28:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf31fc13b3f933d20db7c23768b6f8b95a0d2a26deb722af73b34dad083589c0c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956634
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956634
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC591500094
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T10:04:33Z
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 0xf31fc13b3f933d20db7c23768b6f8b95a0d2a26deb722af73b34dad083589c0c. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC591500094 — a six-check JSON result.
  date published: 2026-07-04T10:04:33Z
audio: New York, New York
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.152
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.537
  additional property: Energy
    type: PropertyValue
    value: 0.214
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.91
  additional property: Liveness
    type: PropertyValue
    value: 0.158
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.396
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.48
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
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Smoke Gets in Your Eyes
type: MusicRecording
duration: PT2M56S
duration ms: 176750
explicit: false
by artist: Christoph Spendel
in album: The Piano Side of Frank Sinatra
  type: MusicAlbum
  date published: 2015-01-28
genre: nu jazz
genre: smooth jazz
isrc code: DEC591500097
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T12:08:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x283f3fa6a5190f360ae8f62a672c0f28fae74a6ee825c40de36607152239f7d0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956725
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956725
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC591500097
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T01:12:41Z
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 0x283f3fa6a5190f360ae8f62a672c0f28fae74a6ee825c40de36607152239f7d0. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC591500097 — a six-check JSON result.
  date published: 2026-07-05T01:12:41Z
audio: Smoke Gets in Your Eyes
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.332
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.379
  additional property: Energy
    type: PropertyValue
    value: 0.226
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.928
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.136
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.606
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Blue Moon
type: MusicRecording
duration: PT3M14S
duration ms: 194125
explicit: false
by artist: Christoph Spendel
in album: The Piano Side of Frank Sinatra
  type: MusicAlbum
  date published: 2015-01-28
genre: nu jazz
genre: smooth jazz
isrc code: DEC591500098
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T23:45:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4b47ade063ba48953856fba156633a5613ae876655724f88776de7f669918b55
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958631
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958631
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC591500098
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T00:50:09Z
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 0x4b47ade063ba48953856fba156633a5613ae876655724f88776de7f669918b55. Chain 2 (Bitcoin): anchored in block 958631 (2026-07-19T00:50:09Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC591500098 — a six-check JSON result.
  date published: 2026-07-19T00:50:09Z
audio: Blue Moon
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 66.569
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.385
  additional property: Energy
    type: PropertyValue
    value: 0.154
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.936
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.21
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.468
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Fly Me to the Moon
type: MusicRecording
duration: PT2M28S
duration ms: 148145
explicit: false
by artist: Christoph Spendel
in album: The Piano Side of Frank Sinatra
  type: MusicAlbum
  date published: 2015-01-28
genre: nu jazz
genre: smooth jazz
isrc code: DEC591500099
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T17:03:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe139c6cb4b70b48ce6f0171a0dc38746336e07421b8f16bdb4262c5b0c64edb9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956576
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956576
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC591500099
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T02:06:47Z
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 0xe139c6cb4b70b48ce6f0171a0dc38746336e07421b8f16bdb4262c5b0c64edb9. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC591500099 — a six-check JSON result.
  date published: 2026-07-04T02:06:47Z
audio: Fly Me to the Moon
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 70.3
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.32
  additional property: Energy
    type: PropertyValue
    value: 0.253
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.927
  additional property: Liveness
    type: PropertyValue
    value: 0.151
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.256
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.344
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sun Over The Park
type: MusicAlbum
date published: 2015-02-18

Brasitronics 3
type: MusicAlbum
date published: 2016-04-24

Canary Chill, Vol. 1
type: MusicAlbum
date published: 2016-06-01

September Memories
type: MusicAlbum
date published: 2016-07-01

Jazzmatics Vol.3
type: MusicAlbum
date published: 2016-09-23

Jazzmatics Vol.4
type: MusicAlbum
date published: 2016-11-12

Jazzmatics New York Sessions Vol.1
type: MusicAlbum
date published: 2016-11-13

Jazzmatics New York Sessions Vol.2
type: MusicAlbum
date published: 2016-11-13

The Holiday Album
type: MusicAlbum
date published: 2016-11-25

Jazzmatics Latin Life
type: MusicAlbum
date published: 2017-01-22

Jazzmatics The Best Of
type: MusicAlbum
date published: 2017-01-24

Christoph Spendel Movie Tunes Vol.2
type: MusicAlbum
date published: 2017-09-08

Christoph Spendel Movie Tunes Vol. 1
type: MusicAlbum
date published: 2017-09-08

Christoph Spendel Movie Tunes, Vol. 4
type: MusicAlbum
date published: 2017-10-17

The Piano Side of Christmas
type: MusicAlbum
date published: 2017-11-29

Standards
type: MusicAlbum
date published: 2018-05-01

Originals
type: MusicAlbum
date published: 2018-05-01

Movie Tunes, Vol. 5 - Going to Miami
type: MusicAlbum
date published: 2018-11-23

The Home of Christmas
type: MusicAlbum
date published: 2018-11-30

Piano Lounge
type: MusicAlbum
date published: 2019-03-01

The Piano Side of Brazil, Vol.1
type: MusicAlbum
date published: 2019-04-19

Piano Shades
type: MusicAlbum
date published: 2020-04-03

At Home at the Piano
type: MusicAlbum
date published: 2020-06-12

Brasitronics Summer Remixes, Vol.2
type: MusicAlbum
date published: 2020-07-31

Brasitronics Summer Remixes, Vol. 1
type: MusicAlbum
date published: 2020-07-31

Piano Lounge Volume 2
type: MusicAlbum
date published: 2020-10-23

Winter Attitude
type: MusicAlbum
date published: 2020-11-20

Piano Meditation
type: MusicAlbum
date published: 2022-01-28

Pianotronics (Tanz der Ozeane)
type: MusicAlbum
date published: 2022-03-03

Christoph Spendel Pianotronics (Brazilian Project)
type: MusicAlbum
date published: 2022-04-03

The Piano Side of George Gershwin
type: MusicAlbum
date published: 2022-08-26

Days of Wine and Roses
type: MusicAlbum
date published: 2023-06-01

The Piano Side of Burt Bacharach
type: MusicAlbum
date published: 2023-06-02

West End Avenue II (2024 Remaster)
type: MusicAlbum
date published: 2025-01-10

Jubilee Remix
type: MusicAlbum
date published: 2025-07-18

Piano Graffiti
type: MusicAlbum
date published: 2025-10-24

sunny feat. lisa shaw
type: MusicRecording
duration: PT5M31S
duration ms: 331240
explicit: false
by artist: Christoph Spendel
in album: NY Lounge Vol. 1
  type: MusicAlbum
  date published: 2007
isrc code: USA560437069
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T18:21:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x97c7c5d8b3ca16cacbbf856a6864c1780647b0c832147a0d8483f2dcb322de23
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960294
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960294
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560437069
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T18:46:00Z
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 0x97c7c5d8b3ca16cacbbf856a6864c1780647b0c832147a0d8483f2dcb322de23. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560437069 — a six-check JSON result.
  date published: 2026-07-30T18:46:00Z
audio: sunny feat. lisa shaw
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.211
  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: 0.662
  additional property: Energy
    type: PropertyValue
    value: 0.589
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.354
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.081
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.462
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.478
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

North of New Orleans
type: MusicRecording
duration: PT8M16S
duration ms: 496413
explicit: false
by artist: Christoph Spendel
in album: NY Lounge Vol. 1
  type: MusicAlbum
  date published: 2007
isrc code: USA371297554
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:24:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x624bbc0d6e836e92ebd45e09f948f686e519d10e6fbd4f63404b3521ac811642
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA371297554
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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 0x624bbc0d6e836e92ebd45e09f948f686e519d10e6fbd4f63404b3521ac811642. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA371297554 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: North of New Orleans
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 166.931
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.665
  additional property: Energy
    type: PropertyValue
    value: 0.545
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.067
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.774
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.793
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.966
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major