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album: Franz Schubert: Winterreise, Op. 89 (Version for Baritone, Choir and Piano)
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  track: Die Winterreise, Op. 89: Gute Nacht - Arr. for Baritone, Choir and Piano
  track: Die Winterreise, Op. 89: Auf dem Flusse - Arr. for Baritone, Choir and Piano
  track: Die Winterreise, Op. 89: Irrlicht - Arr. for Baritone, Choir and Piano
  track: Die Winterreise, Op. 89: Rast - Arr. for Baritone, Choir and Piano
  track: Die Winterreise, Op. 89: Letzte Hoffnung - Arr. for Baritone, Choir and Piano
  track: Die Winterreise, Op. 89: Das Wirtshaus - Arr. for Baritone, Choir and Piano
  track: Die Winterreise, Op. 89: Die Wetterfahne - Arr. for Baritone, Choir and Piano
  track: Die Winterreise, Op. 89: Gefrorne Tränen - Arr. for Baritone, Choir and Piano
  track: Die Winterreise, Op. 89: Erstarrung - Arr. for Baritone, Choir and Piano
  track: Die Winterreise, Op. 89: Der Lindenbaum - Arr. for Baritone, Choir and Piano
  track: Die Winterreise, Op. 89: Wasserflut - Arr. for Baritone, Choir and Piano
  track: Die Winterreise, Op. 89: Rückblick - Arr. for Baritone, Choir and Piano
  track: Die Winterreise, Op. 89: Frühlingstraum - Arr. for Baritone, Choir and Piano
  track: Die Winterreise, Op. 89: Die Post - Arr. for Baritone, Choir and Piano
  track: Die Winterreise, Op. 89: Der greise Kopf - Arr. for Baritone, Choir and Piano
  track: Die Winterreise, Op. 89: Die Krähe - Arr. for Baritone, Choir and Piano
  track: Die Winterreise, Op. 89: Täuschung - Arr. for Baritone, Choir and Piano
  track: Die Winterreise, Op. 89: Mut - Arr. for Baritone, Choir and Piano
album: Jahresbilder: Pictures Through a Year (Choir, Art Songs and Piano Works Arranged for Choir and Chamber Ensemble)
  type: MusicAlbum
  date published: 2017-07-07
album: Colin Mawby: Singt, ihr Engelchöre
  type: MusicAlbum
  date published: 2015-09-11
  track: O komm, o komm Emmanuell
album: Hiller: Die Zerstörung Jerusalems, Op. 24
  type: MusicAlbum
  date published: 2012-05-02
album: Kumm bi de Nacht: Deutsche Volkslieder
  type: MusicAlbum
  date published: 2008-09-15
  track: Dat du min Leevsten büst
  track: Kleines Liebeslied
  track: Müde bin ich, geh zur Ruh
album: Freut euch und jubilieret!
  type: MusicAlbum
  date published: 2008-03-09
album: Lieder vom Menschen - Vokalsinfonie
  type: MusicAlbum
  date published: 2015-02-27
album: Frohlocket!
  type: MusicAlbum
  date published: 2007-01-01

Die Winterreise, Op. 89: Gute Nacht - Arr. for Baritone, Choir and Piano
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  date published: 2026-07-08T03:20:19Z
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Die Winterreise, Op. 89: Auf dem Flusse - Arr. for Baritone, Choir and Piano
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  date published: 2026-07-08T03:22:41Z
audio: Die Winterreise, Op. 89: Auf dem Flusse - Arr. for Baritone, Choir and Piano
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Die Winterreise, Op. 89: Irrlicht - Arr. for Baritone, Choir and Piano
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  date published: 2026-07-08T03:22:41Z
audio: Die Winterreise, Op. 89: Irrlicht - Arr. for Baritone, Choir and Piano
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Die Winterreise, Op. 89: Rast - Arr. for Baritone, Choir and Piano
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  date published: 2026-07-08T03:53:27Z
audio: Die Winterreise, Op. 89: Rast - Arr. for Baritone, Choir and Piano
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Die Winterreise, Op. 89: Letzte Hoffnung - Arr. for Baritone, Choir and Piano
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  date published: 2026-07-08T08:56:20Z
audio: Die Winterreise, Op. 89: Letzte Hoffnung - Arr. for Baritone, Choir and Piano
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Die Winterreise, Op. 89: Das Wirtshaus - Arr. for Baritone, Choir and Piano
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duration ms: 92840
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Die Winterreise, Op. 89: Das Wirtshaus - Arr. for Baritone, Choir and Piano
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Die Winterreise, Op. 89: Die Wetterfahne - Arr. for Baritone, Choir and Piano
type: MusicRecording
duration: PT2M2S
duration ms: 122653
explicit: false
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by artist: Gregor Meyer
by artist: Vocalconsort Leipzig
by artist: Cristian Paix
by artist: Daniel Ochoa
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popularity: 0
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T19:11:09Z
audio: Die Winterreise, Op. 89: Die Wetterfahne - Arr. for Baritone, Choir and Piano
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additional property: OTSVerifyInstructions
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Die Winterreise, Op. 89: Gefrorne Tränen - Arr. for Baritone, Choir and Piano
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duration: PT2M33S
duration ms: 153853
explicit: false
by artist: Franz Schubert
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by artist: Cristian Paix
by artist: Daniel Ochoa
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popularity: 0
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T04:14:58Z
audio: Die Winterreise, Op. 89: Gefrorne Tränen - Arr. for Baritone, Choir and Piano
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additional property: OTSVerifyInstructions
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Die Winterreise, Op. 89: Erstarrung - Arr. for Baritone, Choir and Piano
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duration: PT3M22S
duration ms: 202706
explicit: false
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by artist: Vocalconsort Leipzig
by artist: Cristian Paix
by artist: Daniel Ochoa
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popularity: 0
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T00:16:15Z
audio: Die Winterreise, Op. 89: Erstarrung - Arr. for Baritone, Choir and Piano
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Die Winterreise, Op. 89: Der Lindenbaum - Arr. for Baritone, Choir and Piano
type: MusicRecording
duration: PT5M30S
duration ms: 330440
explicit: false
by artist: Franz Schubert
by artist: Gregor Meyer
by artist: Vocalconsort Leipzig
by artist: Cristian Paix
by artist: Daniel Ochoa
in album: Franz Schubert: Winterreise, Op. 89 (Version for Baritone, Choir and Piano)
  type: MusicAlbum
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popularity: 0
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T17:23:26Z
audio: Die Winterreise, Op. 89: Der Lindenbaum - Arr. for Baritone, Choir and Piano
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Die Winterreise, Op. 89: Wasserflut - Arr. for Baritone, Choir and Piano
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duration: PT4M42S
duration ms: 282720
explicit: false
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by artist: Cristian Paix
by artist: Daniel Ochoa
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popularity: 0
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T12:45:34Z
audio: Die Winterreise, Op. 89: Wasserflut - Arr. for Baritone, Choir and Piano
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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

Die Winterreise, Op. 89: Rückblick - Arr. for Baritone, Choir and Piano
type: MusicRecording
duration: PT2M17S
duration ms: 137760
explicit: false
by artist: Franz Schubert
by artist: Gregor Meyer
by artist: Vocalconsort Leipzig
by artist: Cristian Paix
by artist: Daniel Ochoa
in album: Franz Schubert: Winterreise, Op. 89 (Version for Baritone, Choir and Piano)
  type: MusicAlbum
  date published: 2017-09-01
popularity: 0
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x953798e3bf1eadab79b3ccf60c00a2e854bab0ffb64de1459e64987f80518578. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/DEX991792308.
  date published: 2026-07-31T05:17:02Z
audio: Die Winterreise, Op. 89: Rückblick - Arr. for Baritone, Choir and Piano
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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isrc code: DEX991792308
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
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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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

Die Winterreise, Op. 89: Frühlingstraum - Arr. for Baritone, Choir and Piano
type: MusicRecording
duration: PT3M54S
duration ms: 234560
explicit: false
by artist: Franz Schubert
by artist: Gregor Meyer
by artist: Vocalconsort Leipzig
by artist: Cristian Paix
by artist: Daniel Ochoa
in album: Franz Schubert: Winterreise, Op. 89 (Version for Baritone, Choir and Piano)
  type: MusicAlbum
  date published: 2017-09-01
popularity: 0
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb219435acdd25ff4950f16bd2b49545c5ab5822668b1ce0e11fc7de8fd3a11a5. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/DEX991792311.
  date published: 2026-07-31T18:48:12Z
audio: Die Winterreise, Op. 89: Frühlingstraum - Arr. for Baritone, Choir and Piano
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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isrc code: DEX991792311
additional property: CopyrightID
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Die Winterreise, Op. 89: Die Post - Arr. for Baritone, Choir and Piano
type: MusicRecording
duration: PT2M24S
duration ms: 144213
explicit: false
by artist: Franz Schubert
by artist: Gregor Meyer
by artist: Vocalconsort Leipzig
by artist: Cristian Paix
by artist: Daniel Ochoa
in album: Franz Schubert: Winterreise, Op. 89 (Version for Baritone, Choir and Piano)
  type: MusicAlbum
  date published: 2017-09-01
popularity: 0
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14ce71a27fef68ee1afb19cd5b94edc2df9b646ca79273b367b1b31123f189f3. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/DEX991792313.
  date published: 2026-07-31T05:17:02Z
audio: Die Winterreise, Op. 89: Die Post - Arr. for Baritone, Choir and Piano
  type: AudioObject
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  additional property: Musical Key
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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isrc code: DEX991792313
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Die Winterreise, Op. 89: Der greise Kopf - Arr. for Baritone, Choir and Piano
type: MusicRecording
duration: PT3M2S
duration ms: 182960
explicit: false
by artist: Franz Schubert
by artist: Gregor Meyer
by artist: Vocalconsort Leipzig
by artist: Cristian Paix
by artist: Daniel Ochoa
in album: Franz Schubert: Winterreise, Op. 89 (Version for Baritone, Choir and Piano)
  type: MusicAlbum
  date published: 2017-09-01
popularity: 0
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d7656906b58ed07cef019cc479aa80c169283cbf0b993563c23b7e7330f4e11. Chain 2 (Bitcoin): anchored in block 960456 (2026-07-31T19:53:57Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEX991792314.
  date published: 2026-07-31T19:53:57Z
audio: Die Winterreise, Op. 89: Der greise Kopf - Arr. for Baritone, Choir and Piano
  type: AudioObject
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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isrc code: DEX991792314
additional property: CopyrightID
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Die Winterreise, Op. 89: Die Krähe - Arr. for Baritone, Choir and Piano
type: MusicRecording
duration: PT1M43S
duration ms: 103706
explicit: false
by artist: Franz Schubert
by artist: Gregor Meyer
by artist: Vocalconsort Leipzig
by artist: Cristian Paix
by artist: Daniel Ochoa
in album: Franz Schubert: Winterreise, Op. 89 (Version for Baritone, Choir and Piano)
  type: MusicAlbum
  date published: 2017-09-01
popularity: 0
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ba8bb0291f6e15ac73fb72b288cd38f45a55e2ae421db7de7e14cc305b376e1. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/DEX991792315.
  date published: 2026-07-31T23:51:35Z
audio: Die Winterreise, Op. 89: Die Krähe - Arr. for Baritone, Choir and Piano
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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    value: 0.103
  additional property: Loudness (dB)
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isrc code: DEX991792315
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
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Die Winterreise, Op. 89: Täuschung - Arr. for Baritone, Choir and Piano
type: MusicRecording
duration: PT1M29S
duration ms: 89933
explicit: false
by artist: Franz Schubert
by artist: Gregor Meyer
by artist: Vocalconsort Leipzig
by artist: Cristian Paix
by artist: Daniel Ochoa
in album: Franz Schubert: Winterreise, Op. 89 (Version for Baritone, Choir and Piano)
  type: MusicAlbum
  date published: 2017-09-01
popularity: 0
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaa2e76711881d0045c1d0d621b6fc4df2aba6cd7c04282ba3dd4a375de47b2b. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/DEX991792319.
  date published: 2026-07-31T20:22:46Z
audio: Die Winterreise, Op. 89: Täuschung - Arr. for Baritone, Choir and Piano
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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isrc code: DEX991792319
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
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Die Winterreise, Op. 89: Mut - Arr. for Baritone, Choir and Piano
type: MusicRecording
duration: PT3M59S
duration ms: 239826
explicit: false
by artist: Franz Schubert
by artist: Gregor Meyer
by artist: Vocalconsort Leipzig
by artist: Cristian Paix
by artist: Daniel Ochoa
in album: Franz Schubert: Winterreise, Op. 89 (Version for Baritone, Choir and Piano)
  type: MusicAlbum
  date published: 2017-09-01
popularity: 0
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4a37fa59e1476a18b75d9f51dab6a62e9aaa485cff276cf28133fc6b2ad8493. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/DEX991792322.
  date published: 2026-07-31T20:22:46Z
audio: Die Winterreise, Op. 89: Mut - Arr. for Baritone, Choir and Piano
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.1
  additional property: Energy
    type: PropertyValue
    value: 0.016
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.067
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -35.594
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEX991792322
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960459
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T20:22:46+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEX991792322
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960459
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960459
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T20:22:46+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

O komm, o komm Emmanuell
type: MusicRecording
duration: PT4M7S
duration ms: 247883
explicit: false
by artist: Colin Mawby
by artist: Vocalconsort Leipzig
by artist: Gregor Meyer
by artist: Caroline Roth
in album: Colin Mawby: Singt, ihr Engelchöre
  type: MusicAlbum
  date published: 2015-09-11
isrc code: DEW741116005
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:49:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8027a5d3f793fffb9f0e94ad9ef6634058e43322d9a0307f5d2211606582460e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957050
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957050
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEW741116005
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:41:13Z
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
  type: PropertyValue
  value: 957050
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-07T14:41:13+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 0x8027a5d3f793fffb9f0e94ad9ef6634058e43322d9a0307f5d2211606582460e. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/DEW741116005.
  date published: 2026-07-07T14:41:13Z
audio: O komm, o komm Emmanuell
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 90.109
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.254
  additional property: Energy
    type: PropertyValue
    value: 0.234
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.168
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.287
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Dat du min Leevsten büst
type: MusicRecording
duration: PT2M16S
duration ms: 136893
explicit: false
by artist: Traditional
by artist: Vocalconsort Leipzig
by artist: Gregor Meyer
by artist: Isabel Kalis
in album: Kumm bi de Nacht: Deutsche Volkslieder
  type: MusicAlbum
  date published: 2008-09-15
genre: bhajan
genre: gregorian-chant
genre: medieval
genre: traditional-music
isrc code: DEW740821014
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:34:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x90befdbfb8364574903e5369a4d3378b2d0903bc2441cbf8b8c6b1e060dacc0b
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/DEW740821014
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+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
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+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 0x90befdbfb8364574903e5369a4d3378b2d0903bc2441cbf8b8c6b1e060dacc0b. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEW740821014.
  date published: 2026-07-08T03:22:41Z
audio: Dat du min Leevsten büst
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.5
  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: 0.34
  additional property: Energy
    type: PropertyValue
    value: 0.218
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.549
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.088
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kleines Liebeslied
type: MusicRecording
duration: PT1M36S
duration ms: 96746
explicit: false
by artist: Jürgen Golle
by artist: Vocalconsort Leipzig
by artist: Gregor Meyer
in album: Kumm bi de Nacht: Deutsche Volkslieder
  type: MusicAlbum
  date published: 2008-09-15
isrc code: DEW740821016
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:24:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb0f9e4bf540173c61ad350cb6c004503f93220e61b968bc475245df6e9dfd37e
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/DEW740821016
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+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
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+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 0xb0f9e4bf540173c61ad350cb6c004503f93220e61b968bc475245df6e9dfd37e. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEW740821016.
  date published: 2026-07-08T03:22:41Z
audio: Kleines Liebeslied
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.651
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.285
  additional property: Energy
    type: PropertyValue
    value: 0.157
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.621
  additional property: Liveness
    type: PropertyValue
    value: 0.149
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.099
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.093
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Müde bin ich, geh zur Ruh
type: MusicRecording
duration: PT2M3S
duration ms: 123386
explicit: false
by artist: Jürgen Golle
by artist: Vocalconsort Leipzig
by artist: Gregor Meyer
in album: Kumm bi de Nacht: Deutsche Volkslieder
  type: MusicAlbum
  date published: 2008-09-15
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbb6437415499694688dc4b6826372021299832ff6c8ccf4a0b5e5ed9e57e42b. Chain 2 (Bitcoin): anchored in block 960489 (2026-08-01T00:40:43Z), 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/DEW740821019.
  date published: 2026-08-01T00:40:43Z
audio: Müde bin ich, geh zur Ruh
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.271
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.158
  additional property: Energy
    type: PropertyValue
    value: 0.049
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.163
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.365
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEW740821019
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960489
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-08-01T00:40:43+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEW740821019
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960489
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960489
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T00:40:43+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