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type: MusicGroup
genre: chamber music
description: Herbert Mayr (27 April 1943 – 6 September 2015) was an Italian politician from the autonomous German province of South Tyrol in Italy. Mayr studied sport in Bologna during the mid-1960s, at the end o
popularity: 16
followers: 7
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subject of: OpenTimestamps Proof of Existence
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track: Serenade for Wind in D Minor, Op. 44: I. Moderato, quasi marcia
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  by artist: Antonín Dvořák
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  by artist: Herbert Mayr
  by artist: Myung-Whun Chung
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T13:32:09Z
  audio: Serenade for Wind in D Minor, Op. 44: I. Moderato, quasi marcia
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track: Serenade for Wind in D Minor, Op. 44: II. Minuetto (Tempo di minuetto)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
  audio: Serenade for Wind in D Minor, Op. 44: II. Minuetto (Tempo di minuetto)
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track: Serenade for Wind in D Minor, Op. 44: III. Andante con moto
track: Serenade for Wind in D Minor, Op. 44: IV. Finale (Allegro molto)
track: Abendlied - Arr. by Dominik Wagner for Double Bass Sextet
track: Locus Iste - Arr. by Dominik Wagner for Double Bass Quartet
track: Christus Factus Est - Arr. by Dominik Wagner for Double Bass Quartet
track: Symphony No. 9, Op. 95, 2nd movement: Largo - Arr. by Dominik Wagner for Double Bass Quartet
track: Symphony No. 9, Op. 95, 2nd movement: Un Poco Piu Mosso - Arr. by Dominik Wagner for Double Bass Quartet
track: Adagio for Strings - Arr. By Dominik Wagner for Double Bass Quartet
track: Bohemian Rhapsody - Double Bass Version Arr. By Dominik Wagner for Double Bass Quartet
track: The Final Countdown - Double Bass Version Arr. By Johan Strindberg for Double Bass Quartet

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Serenade for Wind in D Minor, Op. 44: III. Andante con moto
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by artist: Antonín Dvořák
by artist: Martin Gabriel
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by artist: Andreas Wieser
by artist: Stepan Turnovsky
by artist: Wolfgang Koblitz
by artist: Fritz Faltl
by artist: Ronald Janezic
by artist: Thomas Joebstl
by artist: Wolfgang Vladar
by artist: Wolfgang Herzer
by artist: Herbert Mayr
by artist: Myung-Whun Chung
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Serenade for Wind in D Minor, Op. 44: III. Andante con moto
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Serenade for Wind in D Minor, Op. 44: IV. Finale (Allegro molto)
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by artist: Andreas Wieser
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by artist: Wolfgang Koblitz
by artist: Fritz Faltl
by artist: Ronald Janezic
by artist: Thomas Joebstl
by artist: Wolfgang Vladar
by artist: Wolfgang Herzer
by artist: Herbert Mayr
by artist: Myung-Whun Chung
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Serenade for Wind in D Minor, Op. 44: IV. Finale (Allegro molto)
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Abendlied - Arr. by Dominik Wagner for Double Bass Sextet
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T22:48:59Z
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    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Locus Iste - Arr. by Dominik Wagner for Double Bass Quartet
type: MusicRecording
duration: PT2M51S
duration ms: 171692
explicit: false
by artist: Anton Bruckner
by artist: Dominik Wagner
by artist: José Trigo
by artist: Christoph Wimmer
by artist: Herbert Mayr
in album: Double Bass Rhapsody
  type: MusicAlbum
  date published: 2023-11-17
genre: classical
genre: orchestra
isrc code: DES382335002
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:39:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6daffe86bab69fb403d0d25f74a31837c4e18812e412a9bd6856129a0831bbfa
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/DES382335002
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 0x6daffe86bab69fb403d0d25f74a31837c4e18812e412a9bd6856129a0831bbfa. 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/DES382335002 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Locus Iste - Arr. by Dominik Wagner for Double Bass Quartet
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.136
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.085
  additional property: Energy
    type: PropertyValue
    value: 0.068
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.914
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.938
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.993
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Christus Factus Est - Arr. by Dominik Wagner for Double Bass Quartet
type: MusicRecording
duration: PT4M20S
duration ms: 260637
explicit: false
by artist: Anton Bruckner
by artist: Dominik Wagner
by artist: José Trigo
by artist: Christoph Wimmer
by artist: Herbert Mayr
in album: Double Bass Rhapsody
  type: MusicAlbum
  date published: 2023-11-17
genre: classical
genre: orchestra
isrc code: DES382335003
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T15:17:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xed0c844afe5269b49517984aef5db0ab55a07fb5628b00c40192856e955087d9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960422
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960422
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES382335003
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:27:29Z
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 0xed0c844afe5269b49517984aef5db0ab55a07fb5628b00c40192856e955087d9. Chain 2 (Bitcoin): anchored in block 960422 (2026-07-31T15:27:29Z), 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/DES382335003 — a six-check JSON result.
  date published: 2026-07-31T15:27:29Z
audio: Christus Factus Est - Arr. by Dominik Wagner for Double Bass Quartet
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.225
  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: 0.07
  additional property: Energy
    type: PropertyValue
    value: 0.041
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.918
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.951
  additional property: Liveness
    type: PropertyValue
    value: 0.114
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.77
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Symphony No. 9, Op. 95, 2nd movement: Largo - Arr. by Dominik Wagner for Double Bass Quartet
type: MusicRecording
duration: PT3M43S
duration ms: 223195
explicit: false
by artist: Antonín Dvořák
by artist: Dominik Wagner
by artist: José Trigo
by artist: Christoph Wimmer
by artist: Herbert Mayr
in album: Double Bass Rhapsody
  type: MusicAlbum
  date published: 2023-11-17
genre: classical
genre: late-romantic-era
genre: czech-classical
isrc code: DES382335018
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T21:21:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb288d9e5f0f7cc3ebba9c081c34a86b53a020c20228d556e2b5000cd21f2c230
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960473
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960473
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES382335018
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T22:27:44Z
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 0xb288d9e5f0f7cc3ebba9c081c34a86b53a020c20228d556e2b5000cd21f2c230. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/DES382335018 — a six-check JSON result.
  date published: 2026-07-31T22:27:44Z
audio: Symphony No. 9, Op. 95, 2nd movement: Largo - Arr. by Dominik Wagner for Double Bass Quartet
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.696
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.11
  additional property: Energy
    type: PropertyValue
    value: 0.08
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.964
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.971
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.75
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Symphony No. 9, Op. 95, 2nd movement: Un Poco Piu Mosso - Arr. by Dominik Wagner for Double Bass Quartet
type: MusicRecording
duration: PT2M30S
duration ms: 150406
explicit: false
by artist: Antonín Dvořák
by artist: Dominik Wagner
by artist: José Trigo
by artist: Christoph Wimmer
by artist: Herbert Mayr
in album: Double Bass Rhapsody
  type: MusicAlbum
  date published: 2023-11-17
genre: classical
genre: late-romantic-era
genre: czech-classical
isrc code: DES382335019
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T15:55:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb48b9af3f9d3bcd3253bd2fba2f8a7bcfb2c6515c26b9f6f9613a29debff6864
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960429
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960429
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES382335019
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T16:07:24Z
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 0xb48b9af3f9d3bcd3253bd2fba2f8a7bcfb2c6515c26b9f6f9613a29debff6864. Chain 2 (Bitcoin): anchored in block 960429 (2026-07-31T16:07:24Z), 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/DES382335019 — a six-check JSON result.
  date published: 2026-07-31T16:07:24Z
audio: Symphony No. 9, Op. 95, 2nd movement: Un Poco Piu Mosso - Arr. by Dominik Wagner for Double Bass Quartet
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.698
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.154
  additional property: Energy
    type: PropertyValue
    value: 0.188
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.907
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.978
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.142
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.414
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Adagio for Strings - Arr. By Dominik Wagner for Double Bass Quartet
type: MusicRecording
duration: PT6M3S
duration ms: 363022
explicit: false
by artist: Samuel Barber
by artist: Dominik Wagner
by artist: José Trigo
by artist: Herbert Mayr
by artist: Christoph Wimmer
in album: Double Bass Rhapsody
  type: MusicAlbum
  date published: 2023-11-17
isrc code: DES382335005
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T11:40:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x06a8f8e61afe7351d07857951919f28fc046ba29d71a680dd3ee043e6a700f70
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES382335005
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
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 0x06a8f8e61afe7351d07857951919f28fc046ba29d71a680dd3ee043e6a700f70. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/DES382335005 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Adagio for Strings - Arr. By Dominik Wagner for Double Bass Quartet
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.161
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.074
  additional property: Energy
    type: PropertyValue
    value: 0.091
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.891
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.931
  additional property: Liveness
    type: PropertyValue
    value: 0.157
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.293
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bohemian Rhapsody - Double Bass Version Arr. By Dominik Wagner for Double Bass Quartet
type: MusicRecording
duration: PT6M11S
duration ms: 371935
explicit: false
by artist: Freddie Mercury
by artist: Dominik Wagner
by artist: José Trigo
by artist: Christoph Wimmer
by artist: Herbert Mayr
in album: Double Bass Rhapsody
  type: MusicAlbum
  date published: 2023-11-17
isrc code: DES382335013
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:17:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7988369012fa1b50dae4781893a0f714d68e49f927f0008a9ce8c225878298fc
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/DES382335013
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 0x7988369012fa1b50dae4781893a0f714d68e49f927f0008a9ce8c225878298fc. 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/DES382335013 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bohemian Rhapsody - Double Bass Version Arr. By Dominik Wagner for Double Bass Quartet
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.894
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.196
  additional property: Energy
    type: PropertyValue
    value: 0.14
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.923
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.966
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.189
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.036
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Final Countdown - Double Bass Version Arr. By Johan Strindberg for Double Bass Quartet
type: MusicRecording
duration: PT5M7S
duration ms: 307046
explicit: false
by artist: Joey Tempest
by artist: Dominik Wagner
by artist: José Trigo
by artist: Christoph Wimmer
by artist: Herbert Mayr
in album: Double Bass Rhapsody
  type: MusicAlbum
  date published: 2023-11-17
genre: arena-rock
genre: aor
isrc code: DES382335014
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T04:58:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x18b8246ff1bb103ca14569f5a2a2dfc2f61a9fbcaea94ada21e53a5fd3056e64
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960209
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960209
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES382335014
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T05:15:54Z
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
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  date published: 2026-07-30T05:15:54Z
audio: The Final Countdown - Double Bass Version Arr. By Johan Strindberg for Double Bass Quartet
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