Dan Alexandru
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popularity: 27
followers: 520
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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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  date published: 2026-06-12T19:24:56Z
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album: Cozy Jazz Music - Relaxing Jazz Piano Music - Background Jazz Music
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  date published: 2022-01-26
album: Jazz Music - Smooth Jazz Saxophone - Relaxing Background Music
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  date published: 2022-01-26
  track: And You Always Come Back
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    by artist: Dan Alexandru
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      date published: 2022-01-26
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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
    subject of: OpenTimestamps Proof of Existence
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc055a4de5d60614fc8a95479a7a4013bfe10194f3dbc88f67b3b9adab2c6ab7c. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/FR96X2129827.
      date published: 2026-07-14T22:45:25Z
    audio: And You Always Come Back
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  track: Afterhours Coffee
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    by artist: Dan Alexandru
    in album: Jazz Music - Smooth Jazz Saxophone - Relaxing Background Music
      type: MusicAlbum
      date published: 2022-01-26
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    additional property: OTSVerificationAPI
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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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
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      date published: 2026-07-02T22:05:07Z
    audio: Afterhours Coffee
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album: Coffee Shop Music - Relax Jazz Cafe Piano Instrumental Background to Study, Work
album: JAZZ MUSIC - LOUNGE MUSIC - CAFE MUSIC FOR RELAX, STUDY, WORK
album: Relaxing Sleep Music Deep Sleeping Music, Relaxing Music Meditation Music
album: Relaxing Piano Music: Sleep Music, Meditation Music, Soothing Music, Calming Music
album: Deep Sleep Piano Collection, Sleep Meditation, Calm Music, Relaxing Music
album: Beautiful Relaxing Music: Calm Piano Music, Meditation Music, Relaxing Sleep Music
album: Beautiful Relaxing Music for Stress Relief - Peaceful Piano Music, Sleep Music
album: Coffee Shop Music with Bossa Nova for Office, Study, Work, Wake up
album: STUDIO GHIBLI JAZZ - Relaxing Jazz & Bossa Nova Music Cover - Cafe Music For Study & Work
album: Studio GHIBLI Jazz & Bossa Nova Lounge - Instrumental Cafe Music
album: Most Famous Pieces of Classical Music (Jazz Classical)
album: The Best of Classical Music / Mozart, Beethoven, Bach, Chopin, Vivaldi / Most Famous Classic Pieces (Jazz Version)
album: Calm Piano Collection For Soothing And Relaxing, Vol. 04 (Piano)
album: Calm Piano Collection For Soothing And Relaxing, Vol. 03 (Piano)
album: Calm Piano Collection For Soothing And Relaxing, Vol. 02 (Piano)

Loudness (dB)
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Key Name
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Mode Name
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Coffee Shop Music - Relax Jazz Cafe Piano Instrumental Background to Study, Work
type: MusicAlbum
date published: 2022-01-26
track: Sidewalk Swing
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    date published: 2022-01-26
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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
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    encoding format: application/vnd.opentimestamps.ots
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    date published: 2026-07-17T21:28:36Z
  audio: Sidewalk Swing
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Coffee Shop Music - Relax Jazz Cafe Piano Instrumental Background to Study, Work
type: MusicAlbum
date published: 2022-01-26

JAZZ MUSIC - LOUNGE MUSIC - CAFE MUSIC FOR RELAX, STUDY, WORK
type: MusicAlbum
date published: 2022-01-26

Relaxing Sleep Music Deep Sleeping Music, Relaxing Music Meditation Music
type: MusicAlbum
date published: 2022-03-30

Relaxing Piano Music: Sleep Music, Meditation Music, Soothing Music, Calming Music
type: MusicAlbum
date published: 2022-03-30

Deep Sleep Piano Collection, Sleep Meditation, Calm Music, Relaxing Music
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date published: 2022-03-30

Beautiful Relaxing Music: Calm Piano Music, Meditation Music, Relaxing Sleep Music
type: MusicAlbum
date published: 2022-03-30

Beautiful Relaxing Music for Stress Relief - Peaceful Piano Music, Sleep Music
type: MusicAlbum
date published: 2022-03-30

Coffee Shop Music with Bossa Nova for Office, Study, Work, Wake up
type: MusicAlbum
date published: 2022-05-27

STUDIO GHIBLI JAZZ - Relaxing Jazz & Bossa Nova Music Cover - Cafe Music For Study & Work
type: MusicAlbum
date published: 2022-05-28

Studio GHIBLI Jazz & Bossa Nova Lounge - Instrumental Cafe Music
type: MusicAlbum
date published: 2023-06-09

Most Famous Pieces of Classical Music (Jazz Classical)
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date published: 2023-06-09

The Best of Classical Music / Mozart, Beethoven, Bach, Chopin, Vivaldi / Most Famous Classic Pieces (Jazz Version)
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date published: 2023-06-09

Calm Piano Collection For Soothing And Relaxing, Vol. 04 (Piano)
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date published: 2023-06-11

Calm Piano Collection For Soothing And Relaxing, Vol. 03 (Piano)
type: MusicAlbum
date published: 2023-06-11

Calm Piano Collection For Soothing And Relaxing, Vol. 02 (Piano)
type: MusicAlbum
date published: 2023-06-11