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description: Wolfgang Sawallisch (26 August 1923 – 22 February 2013) was a German conductor and pianist. Biography Wolfgang Sawallisch was born in Munich, the son of Maria and Wilhelm Sawallisch. His father was d
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  track: Brahms: Symphony No. 1 in C Minor, Op. 68: I. (b) Allegro
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by artist: Wolfgang Sawallisch
by artist: London Philharmonic Orchestra
in album: Brahms: Haydn Variations, Schicksalslied & Symphonies Nos. 1 & 4
  type: MusicAlbum
  date published: 2023-08-23
genre: classical
genre: german-romanticism
genre: classical-piano
genre: late-romantic-era
genre: chamber-music
genre: orchestral
isrc code: GBAYC2301813
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-07-07T20:28:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x585b6d9ff162076e3e71027622149f42f73a8f9ca3889e06cdbc63102dd27ab1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2301813
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
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 0x585b6d9ff162076e3e71027622149f42f73a8f9ca3889e06cdbc63102dd27ab1. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBAYC2301813 — a six-check JSON result.
  date published: 2026-07-08T03:53:27Z
audio: Brahms: Variations on a Theme by Haydn, Op. 56a "St. Antoni Chorale": Variation IV
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  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
    type: PropertyValue
    value: 5
  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
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.839
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.098
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.617
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Brahms: Variations on a Theme by Haydn, Op. 56a "St. Antoni Chorale": Variation V
type: MusicRecording
duration: PT0M52S
duration ms: 52440
explicit: false
by artist: Johannes Brahms
by artist: Wolfgang Sawallisch
by artist: London Philharmonic Orchestra
in album: Brahms: Haydn Variations, Schicksalslied & Symphonies Nos. 1 & 4
  type: MusicAlbum
  date published: 2023-08-23
genre: classical
genre: german-romanticism
genre: classical-piano
genre: late-romantic-era
genre: chamber-music
genre: orchestral
isrc code: GBAYC2301814
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:16:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x14baf92dd4279d769f626b8e16914c773789798902f881e3fd35296708e77a1f
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2301814
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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 0x14baf92dd4279d769f626b8e16914c773789798902f881e3fd35296708e77a1f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2301814 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Brahms: Variations on a Theme by Haydn, Op. 56a "St. Antoni Chorale": Variation V
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.416
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.501
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.959
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.889
  additional property: Liveness
    type: PropertyValue
    value: 0.13
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.786
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.119
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Brahms: Variations on a Theme by Haydn, Op. 56a "St. Antoni Chorale": Variation VI
type: MusicRecording
duration: PT1M17S
duration ms: 77960
explicit: false
by artist: Johannes Brahms
by artist: Wolfgang Sawallisch
by artist: London Philharmonic Orchestra
in album: Brahms: Haydn Variations, Schicksalslied & Symphonies Nos. 1 & 4
  type: MusicAlbum
  date published: 2023-08-23
genre: classical
genre: german-romanticism
genre: classical-piano
genre: late-romantic-era
genre: chamber-music
genre: orchestral
isrc code: GBAYC2301815
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:28:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe6dbefbe81f97d25be76a547be096e3a486d3e62d2e330a161e7f93eb52e15fe
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/GBAYC2301815
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 0xe6dbefbe81f97d25be76a547be096e3a486d3e62d2e330a161e7f93eb52e15fe. 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/GBAYC2301815 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Brahms: Variations on a Theme by Haydn, Op. 56a "St. Antoni Chorale": Variation VI
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 113.897
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.53
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.821
  additional property: Liveness
    type: PropertyValue
    value: 0.167
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.602
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.752
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Brahms: Variations on a Theme by Haydn, Op. 56a "St. Antoni Chorale": Variation VII
type: MusicRecording
duration: PT2M42S
duration ms: 162626
explicit: false
by artist: Johannes Brahms
by artist: Wolfgang Sawallisch
by artist: London Philharmonic Orchestra
in album: Brahms: Haydn Variations, Schicksalslied & Symphonies Nos. 1 & 4
  type: MusicAlbum
  date published: 2023-08-23
genre: classical
genre: german-romanticism
genre: classical-piano
genre: late-romantic-era
genre: chamber-music
genre: orchestral
isrc code: GBAYC2301816
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:36:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4c1b044811dfb0c0b32d509a2d2e017976148bd49e84361c0bf7d10d8485c31d
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/GBAYC2301816
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 0x4c1b044811dfb0c0b32d509a2d2e017976148bd49e84361c0bf7d10d8485c31d. 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/GBAYC2301816 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Brahms: Variations on a Theme by Haydn, Op. 56a "St. Antoni Chorale": Variation VII
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.749
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.121
  additional property: Energy
    type: PropertyValue
    value: 0.088
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.964
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.863
  additional property: Liveness
    type: PropertyValue
    value: 0.114
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.145
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.244
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Brahms: Variations on a Theme by Haydn, Op. 56a "St. Antoni Chorale": Variation VIII
type: MusicRecording
duration: PT1M0S
duration ms: 60533
explicit: false
by artist: Johannes Brahms
by artist: Wolfgang Sawallisch
by artist: London Philharmonic Orchestra
in album: Brahms: Haydn Variations, Schicksalslied & Symphonies Nos. 1 & 4
  type: MusicAlbum
  date published: 2023-08-23
genre: classical
genre: german-romanticism
genre: classical-piano
genre: late-romantic-era
genre: chamber-music
genre: orchestral
isrc code: GBAYC2301817
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:31:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5c2a45b5b2cf3194f3d1e53cdf3e325592da8dbdca05f445d4b260bceb424260
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/GBAYC2301817
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 0x5c2a45b5b2cf3194f3d1e53cdf3e325592da8dbdca05f445d4b260bceb424260. 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/GBAYC2301817 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Brahms: Variations on a Theme by Haydn, Op. 56a "St. Antoni Chorale": Variation VIII
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.203
  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: 0.171
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.28
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.782
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Brahms: Variations on a Theme by Haydn, Op. 56a "St. Antoni Chorale": Finale
type: MusicRecording
duration: PT3M41S
duration ms: 221880
explicit: false
by artist: Johannes Brahms
by artist: Wolfgang Sawallisch
by artist: London Philharmonic Orchestra
in album: Brahms: Haydn Variations, Schicksalslied & Symphonies Nos. 1 & 4
  type: MusicAlbum
  date published: 2023-08-23
genre: classical
genre: german-romanticism
genre: classical-piano
genre: late-romantic-era
genre: chamber-music
genre: orchestral
isrc code: GBAYC2301818
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T11:33:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5d2fb9a6f3d4f91780f8a6d3228ceb463fd4285826b2c521e1eef49f1cb8f6e2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960403
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960403
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2301818
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:04:34Z
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 0x5d2fb9a6f3d4f91780f8a6d3228ceb463fd4285826b2c521e1eef49f1cb8f6e2. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2301818 — a six-check JSON result.
  date published: 2026-07-31T13:04:34Z
audio: Brahms: Variations on a Theme by Haydn, Op. 56a "St. Antoni Chorale": Finale
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.935
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.228
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.092
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
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Brahms: Hyperions Schicksalslied, Op. 54: I. Langsam und sehnsuchtsvoll
type: MusicRecording
duration: PT8M17S
duration ms: 497440
explicit: false
by artist: Johannes Brahms
by artist: Wolfgang Sawallisch
by artist: Ambrosian Singers
by artist: London Philharmonic Orchestra
in album: Brahms: Haydn Variations, Schicksalslied & Symphonies Nos. 1 & 4
  type: MusicAlbum
  date published: 2023-08-23
genre: classical
genre: german-romanticism
genre: classical-piano
genre: late-romantic-era
genre: chamber-music
genre: orchestral
isrc code: GBAYC9101711
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T13:19:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x35db2a1c2e360fd4d8254780df56075a58ae840ef936491abb66a08b63dab9a9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960410
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960410
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9101711
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T08:26:41Z
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Opernszenen, Vol. 1: Dietrich Fischer-Dieskau 1965-1976
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Wagner: Tannhäuser, WWV 70
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Wagner: Tannhäuser (Recorded Live 1961)
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Mascagni: Cavalleria rusticana (Sung in German) [Recorded 1954]
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Carl Maria von Weber: Invitation to the Dance, Overtures
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Richard strauss: capriccio
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Capriccio
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506200605
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  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 0xb105ac54ea41101121222bae0e2ec18378e432087c8e72ef4333d3dc0a44e1cf. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/NLA506200605 — a six-check JSON result.
    date published: 2026-07-02T03:55:08Z
  audio: Tannhäuser (Dresden Version), Act I: Overture and Venusberg Music "Bacchanale" (From Paris Version) - Live at the Bayreuth Festival, 1962
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    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Energy
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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    additional property: Mode Name
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      value: Major
track: Tannhäuser (Dresden Version), Act II: Dich, teure Halle, grüss ich wieder "Elisabeth's Greeting" - Live at the Bayreuth Festival, 1962
  type: MusicRecording
  duration: PT4M43S
  duration ms: 283760
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  by artist: Richard Wagner
  by artist: Anja Silja
  by artist: Bayreuth Festival Orchestra
  by artist: Wolfgang Sawallisch
  in album: Wagner: Tannhäuser
    type: MusicAlbum
    date published: 1962-01-01
  genre: classical
  genre: opera
  isrc code: NLA506200615
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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    value: 2026-07-07T17:30:39+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x4351b27b73a55515227bcb4e8a010d0f20341a061c12f70a786b88e77dc0f5c8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 957120
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957120
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506200615
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  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 0x4351b27b73a55515227bcb4e8a010d0f20341a061c12f70a786b88e77dc0f5c8. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506200615 — a six-check JSON result.
    date published: 2026-07-08T03:22:41Z
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    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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track: Tannhäuser (Dresden Version), Act III: Prelude (Tannhäusers Pilgerfahrt) - Live at the Bayreuth Festival, 1962
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  by artist: Bayreuth Festival Orchestra
  by artist: Wolfgang Sawallisch
  in album: Wagner: Tannhäuser
    type: MusicAlbum
    date published: 1962-01-01
  genre: classical
  genre: opera
  isrc code: NLA506200630
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Tannhäuser (Dresden Version), Act III: Prelude (Tannhäusers Pilgerfahrt) - Live at the Bayreuth Festival, 1962
track: Tannhäuser (Dresden Version), Act I: Geliebter, sag, wo weilt dein Sinn? - Live at the Bayreuth Festival, 1962
track: Tannhäuser (Dresden Version), Act I: Dir töne Lob! Die Wunder sei'n gepriesen - Live at the Bayreuth Festival, 1962
track: Tannhäuser (Dresden Version), Act III: Beglückt darf nun dich, o Heimat "Pilgrims' Chorus" - Live at the Bayreuth Festival, 1962
track: Tannhäuser (Dresden Version), Act I: Geliebter, Komm! Sieh dort die Grotte! - Live at the Bayreuth Festival, 1962
track: Tannhäuser (Dresden Version), Act III: Allmächt'ge Jungfrau, hör mein Flehen! – Elisabeth, dürft ich dich nicht geleiten? - Live at the Bayreuth Festival, 1962
track: Tannhäuser (Dresden Version), Act I: Stets soll nur dir mein Lied ertönen! - Live at the Bayreuth Festival, 1962
track: Tannhäuser (Dresden Version), Act II: Freudig begrüssen wir die edle Halle - Live at the Bayreuth Festival, 1962
track: Tannhäuser (Dresden Version), Act III: Wie Todesahnung Dämmrung deckt die Lande - Live at the Bayreuth Festival, 1962
track: Tannhäuser (Dresden Version), Act I: Zieh hin, Wahnsinniger, zieh hin! - Live at the Bayreuth Festival, 1962
track: Tannhäuser (Dresden Version), Act II: Gar viel und schön ward hier in dieser Halle - Live at the Bayreuth Festival, 1962
track: Tannhäuser (Dresden Version), Act III: O du mein holder Abendstern "O Star of Eve" - Live at the Bayreuth Festival, 1962
track: Tannhäuser (Dresden Version), Act I: Frau Holda kam aus dem Berg hervor - Live at the Bayreuth Festival, 1962
track: Tannhäuser (Dresden Version), Act II: Blick ich umher in diesem edlen Kreise - Live at the Bayreuth Festival, 1962
track: Tannhäuser (Dresden Version), Act I: Zu dir wall ich, mein Jesus Christ - Live at the Bayreuth Festival, 1962
track: Tannhäuser (Dresden Version), Act II: Auch ich darf mich so glücklich nennen - Live at the Bayreuth Festival, 1962
track: Tannhäuser (Dresden Version), Act I: Wer ist der dort in brünstigem Gebete? - Live at the Bayreuth Festival, 1962
track: Tannhäuser (Dresden Version), Act I: Als du in kühnem Sange uns bestrittest - Live at the Bayreuth Festival, 1962
track: Tannhäuser (Dresden Version), Act II: Dir, Göttin der Liebe, soll mein Lied ertönen! - Live at the Bayreuth Festival, 1962
track: Tannhäuser (Dresden Version), Act III: Da sank ich in Vernichtung dumpf darnieder – Halt ein! Unsel'ger - Live at the Bayreuth Festival, 1962
track: Tannhäuser (Dresden Version), Act II: Der Unglücksel'ge, den gefangen - Live at the Bayreuth Festival, 1962
track: Tannhäuser (Dresden Version), Act III: Heil! Heil! Der Gnade Wunder Heil! - Live at the Bayreuth Festival, 1962
track: Tannhäuser (Dresden Version), Act II: Weh! Weh, mir Unglücksel'gem! - Live at the Bayreuth Festival, 1962
track: Tannhäuser (Dresden Version), Act II: Versammelt sind aus meinen Landen - Live at the Bayreuth Festival, 1962

CopyrightRegisteredAt
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value: 2026-07-31T10:36:11+00:00

CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0xf59dd3f709b66e29c1b16ba71a31fb21025e5a39fd5695216e7fafd81b222bb4

OTSHash
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OTSBitcoinBlock
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value: 960397

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960397

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506200630

OTSTimestamp
type: PropertyValue
value: 2026-07-31T12:24:41Z

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 0xf59dd3f709b66e29c1b16ba71a31fb21025e5a39fd5695216e7fafd81b222bb4. 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/NLA506200630 — a six-check JSON result.
date published: 2026-07-31T12:24:41Z

Tannhäuser (Dresden Version), Act III: Prelude (Tannhäusers Pilgerfahrt) - Live at the Bayreuth Festival, 1962
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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additional property: Key Name
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additional property: Mode Name
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Tannhäuser (Dresden Version), Act I: Geliebter, sag, wo weilt dein Sinn? - Live at the Bayreuth Festival, 1962
type: MusicRecording
duration: PT3M33S
duration ms: 213000
explicit: false
by artist: Richard Wagner
by artist: Wolfgang Windgassen
by artist: Grace Bumbry
by artist: Bayreuth Festival Orchestra
by artist: Wolfgang Sawallisch
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 1962-01-01
genre: classical
genre: opera
isrc code: NLA506200606
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T10:46:12+00:00
additional property: CopyrightChainExplorerURL
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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: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506200606
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 0xb2dc50997fa30adcb4106d6a1501ee914278a9a1534506a6c8fa18478eca88f7. 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/NLA506200606 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Tannhäuser (Dresden Version), Act I: Geliebter, sag, wo weilt dein Sinn? - Live at the Bayreuth Festival, 1962
  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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Tannhäuser (Dresden Version), Act I: Dir töne Lob! Die Wunder sei'n gepriesen - Live at the Bayreuth Festival, 1962
type: MusicRecording
duration: PT5M21S
duration ms: 321933
explicit: false
by artist: Richard Wagner
by artist: Wolfgang Windgassen
by artist: Grace Bumbry
by artist: Bayreuth Festival Orchestra
by artist: Wolfgang Sawallisch
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 1962-01-01
genre: classical
genre: opera
isrc code: NLA506200607
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506200607
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 0xd5bf5522e03de9879e2fe5f4a75b1021f50496fc16f44c647477df1b6704f892. 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/NLA506200607 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Tannhäuser (Dresden Version), Act I: Dir töne Lob! Die Wunder sei'n gepriesen - Live at the Bayreuth Festival, 1962
  type: AudioObject
  additional property: Tempo (BPM)
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Tannhäuser (Dresden Version), Act III: Beglückt darf nun dich, o Heimat "Pilgrims' Chorus" - Live at the Bayreuth Festival, 1962
type: MusicRecording
duration: PT4M20S
duration ms: 260826
explicit: false
by artist: Richard Wagner
by artist: Bayreuth Festival Chorus
by artist: Bayreuth Festival Orchestra
by artist: Wolfgang Sawallisch
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 1962-01-01
popularity: 3
genre: classical
genre: opera
isrc code: NLA506200632
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
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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: 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
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9aaa84bd2c3ae71eb0cc0c27f0aeefc498db3c435e8e7688cc2fdad94175139. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/NLA506200632 — a six-check JSON result.
  date published: 2026-07-31T00:26:26Z
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    type: PropertyValue
    value: 0.09
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.852
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tannhäuser (Dresden Version), Act I: Geliebter, Komm! Sieh dort die Grotte! - Live at the Bayreuth Festival, 1962
type: MusicRecording
duration: PT2M23S
duration ms: 143760
explicit: false
by artist: Richard Wagner
by artist: Grace Bumbry
by artist: Bayreuth Festival Chorus
by artist: Bayreuth Festival Orchestra
by artist: Wolfgang Sawallisch
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 1962-01-01
genre: classical
genre: opera
isrc code: NLA506200608
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T23:11:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc9c0ccef7dfc5155b3a46192a52b2cb519573d4c14d03fd28116b854984a04eb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960478
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960478
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506200608
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:30:38Z
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 0xc9c0ccef7dfc5155b3a46192a52b2cb519573d4c14d03fd28116b854984a04eb. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/NLA506200608 — a six-check JSON result.
  date published: 2026-07-31T23:30:38Z
audio: Tannhäuser (Dresden Version), Act I: Geliebter, Komm! Sieh dort die Grotte! - Live at the Bayreuth Festival, 1962
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.167
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.225
  additional property: Energy
    type: PropertyValue
    value: 0.105
  additional property: Speechiness
    type: PropertyValue
    value: 0.069
  additional property: Acousticness
    type: PropertyValue
    value: 0.933
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.349
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.678
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser (Dresden Version), Act III: Allmächt'ge Jungfrau, hör mein Flehen! – Elisabeth, dürft ich dich nicht geleiten? - Live at the Bayreuth Festival, 1962
type: MusicRecording
duration: PT7M51S
duration ms: 471773
explicit: false
by artist: Richard Wagner
by artist: Eberhard Wächter
by artist: Anja Silja
by artist: Bayreuth Festival Orchestra
by artist: Wolfgang Sawallisch
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 1962-01-01
genre: classical
genre: opera
isrc code: NLA506200633
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T15:49:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6ea77bff7f75274868ee037564748495f80893366c391816e8bda94c93446294
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960427
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960427
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506200633
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:59:18Z
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 0x6ea77bff7f75274868ee037564748495f80893366c391816e8bda94c93446294. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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/NLA506200633 — a six-check JSON result.
  date published: 2026-07-31T15:59:18Z
audio: Tannhäuser (Dresden Version), Act III: Allmächt'ge Jungfrau, hör mein Flehen! – Elisabeth, dürft ich dich nicht geleiten? - Live at the Bayreuth Festival, 1962
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.998
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.142
  additional property: Energy
    type: PropertyValue
    value: 0.024
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.935
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.202
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.886
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser (Dresden Version), Act I: Stets soll nur dir mein Lied ertönen! - Live at the Bayreuth Festival, 1962
type: MusicRecording
duration: PT1M35S
duration ms: 95906
explicit: false
by artist: Richard Wagner
by artist: Wolfgang Windgassen
by artist: Bayreuth Festival Orchestra
by artist: Wolfgang Sawallisch
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 1962-01-01
genre: classical
genre: opera
isrc code: NLA506200609
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:35:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x143454cbc8df95be8983ba4d82435386d010458245deb8b28d49548369dbd293
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/NLA506200609
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 0x143454cbc8df95be8983ba4d82435386d010458245deb8b28d49548369dbd293. 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/NLA506200609 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Tannhäuser (Dresden Version), Act I: Stets soll nur dir mein Lied ertönen! - Live at the Bayreuth Festival, 1962
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.811
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.345
  additional property: Energy
    type: PropertyValue
    value: 0.172
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.581
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.424
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.875
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser (Dresden Version), Act II: Freudig begrüssen wir die edle Halle - Live at the Bayreuth Festival, 1962
type: MusicRecording
duration: PT7M22S
duration ms: 442840
explicit: false
by artist: Richard Wagner
by artist: Bayreuth Festival Chorus
by artist: Bayreuth Festival Orchestra
by artist: Wolfgang Sawallisch
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 1962-01-01
genre: classical
genre: opera
isrc code: NLA506200619
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:01:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x41338ba469b836812f53415afc2270996295da3131fe31bb8f1431eb5d48cf4a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506200619
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
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 0x41338ba469b836812f53415afc2270996295da3131fe31bb8f1431eb5d48cf4a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/NLA506200619 — a six-check JSON result.
  date published: 2026-07-08T03:53:27Z
audio: Tannhäuser (Dresden Version), Act II: Freudig begrüssen wir die edle Halle - Live at the Bayreuth Festival, 1962
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.751
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.278
  additional property: Energy
    type: PropertyValue
    value: 0.156
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.923
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.103
  additional property: Liveness
    type: PropertyValue
    value: 0.119
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.157
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.188
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser (Dresden Version), Act III: Wie Todesahnung Dämmrung deckt die Lande - Live at the Bayreuth Festival, 1962
type: MusicRecording
duration: PT2M25S
duration ms: 145066
explicit: false
by artist: Richard Wagner
by artist: Eberhard Wächter
by artist: Bayreuth Festival Orchestra
by artist: Wolfgang Sawallisch
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 1962-01-01
genre: classical
genre: opera
isrc code: NLA506200634
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T16:40:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb59b2b7c792d0c45d9846cb2abceb8adb00c40240ce80e8b8c9a6e032aad77a4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960441
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960441
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506200634
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T17:29:52Z
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 0xb59b2b7c792d0c45d9846cb2abceb8adb00c40240ce80e8b8c9a6e032aad77a4. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/NLA506200634 — a six-check JSON result.
  date published: 2026-07-31T17:29:52Z
audio: Tannhäuser (Dresden Version), Act III: Wie Todesahnung Dämmrung deckt die Lande - Live at the Bayreuth Festival, 1962
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.693
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.277
  additional property: Energy
    type: PropertyValue
    value: 0.031
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.846
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.598
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.088
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.882
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tannhäuser (Dresden Version), Act I: Zieh hin, Wahnsinniger, zieh hin! - Live at the Bayreuth Festival, 1962
type: MusicRecording
duration: PT3M22S
duration ms: 202826
explicit: false
by artist: Richard Wagner
by artist: Wolfgang Windgassen
by artist: Grace Bumbry
by artist: Bayreuth Festival Orchestra
by artist: Wolfgang Sawallisch
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 1962-01-01
genre: classical
genre: opera
isrc code: NLA506200610
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T23:39:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7733da697bbc2f7caca7cbe6cd4853ed34a32c8a505d757f060b8d352aa07323
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506200610
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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 0x7733da697bbc2f7caca7cbe6cd4853ed34a32c8a505d757f060b8d352aa07323. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506200610 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Tannhäuser (Dresden Version), Act I: Zieh hin, Wahnsinniger, zieh hin! - Live at the Bayreuth Festival, 1962
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.651
  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: 0.265
  additional property: Energy
    type: PropertyValue
    value: 0.263
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.931
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.505
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.085
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.73
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tannhäuser (Dresden Version), Act II: Gar viel und schön ward hier in dieser Halle - Live at the Bayreuth Festival, 1962
type: MusicRecording
duration: PT6M16S
duration ms: 376000
explicit: false
by artist: Richard Wagner
by artist: Josef Greindl
by artist: Bayreuth Festival Chorus
by artist: Bayreuth Festival Orchestra
by artist: Wolfgang Sawallisch
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 1962-01-01
genre: classical
genre: opera
isrc code: NLA506200620
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T18:28:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x25c9af2c179149190f27032c2b731edf0cb9aaabd844f049ab0acea3f998fd72
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960448
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960448
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506200620
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T18:48:12Z
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 0x25c9af2c179149190f27032c2b731edf0cb9aaabd844f049ab0acea3f998fd72. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506200620 — a six-check JSON result.
  date published: 2026-07-31T18:48:12Z
audio: Tannhäuser (Dresden Version), Act II: Gar viel und schön ward hier in dieser Halle - Live at the Bayreuth Festival, 1962
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.771
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.255
  additional property: Energy
    type: PropertyValue
    value: 0.078
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.943
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.35
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.188
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.258
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser (Dresden Version), Act III: O du mein holder Abendstern "O Star of Eve" - Live at the Bayreuth Festival, 1962
type: MusicRecording
duration: PT2M58S
duration ms: 178666
explicit: false
by artist: Richard Wagner
by artist: Eberhard Wächter
by artist: Bayreuth Festival Orchestra
by artist: Wolfgang Sawallisch
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 1962-01-01
genre: classical
genre: opera
isrc code: NLA506200635
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:11:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x79edcc68f765cd30ec57f8a4adf9612cd0d53717505bdeb7f854ff4957b50573
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/NLA506200635
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 0x79edcc68f765cd30ec57f8a4adf9612cd0d53717505bdeb7f854ff4957b50573. 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/NLA506200635 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Tannhäuser (Dresden Version), Act III: O du mein holder Abendstern "O Star of Eve" - Live at the Bayreuth Festival, 1962
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 159.439
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.149
  additional property: Energy
    type: PropertyValue
    value: 0.034
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.944
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.011
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.102
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.095
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser (Dresden Version), Act I: Frau Holda kam aus dem Berg hervor - Live at the Bayreuth Festival, 1962
type: MusicRecording
duration: PT1M43S
duration ms: 103840
explicit: false
by artist: Richard Wagner
by artist: Else-Margrete Gardelli
by artist: Bayreuth Festival Orchestra
by artist: Wolfgang Sawallisch
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 1962-01-01
genre: classical
genre: opera
isrc code: NLA506200611
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:46:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x04df10587c249997348e1a01442fb26de952e082e88c9292b10126626dcd6fa7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506200611
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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 0x04df10587c249997348e1a01442fb26de952e082e88c9292b10126626dcd6fa7. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506200611 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Tannhäuser (Dresden Version), Act I: Frau Holda kam aus dem Berg hervor - Live at the Bayreuth Festival, 1962
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.065
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.291
  additional property: Energy
    type: PropertyValue
    value: 0.044
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.786
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.499
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.062
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.577
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser (Dresden Version), Act II: Blick ich umher in diesem edlen Kreise - Live at the Bayreuth Festival, 1962
type: MusicRecording
duration: PT4M43S
duration ms: 283000
explicit: false
by artist: Richard Wagner
by artist: Eberhard Wächter
by artist: Bayreuth Festival Chorus
by artist: Bayreuth Festival Orchestra
by artist: Wolfgang Sawallisch
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 1962-01-01
genre: classical
genre: opera
isrc code: NLA506200621
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T11:01:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfb644077caf97e6183274f7b9a5382ceb21b73453cc34fa0b78c7a89996d1bc9
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/NLA506200621
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 0xfb644077caf97e6183274f7b9a5382ceb21b73453cc34fa0b78c7a89996d1bc9. 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/NLA506200621 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Tannhäuser (Dresden Version), Act II: Blick ich umher in diesem edlen Kreise - Live at the Bayreuth Festival, 1962
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.81
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.312
  additional property: Energy
    type: PropertyValue
    value: 0.087
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.9
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.341
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.142
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.153
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tannhäuser (Dresden Version), Act I: Zu dir wall ich, mein Jesus Christ - Live at the Bayreuth Festival, 1962
type: MusicRecording
duration: PT5M57S
duration ms: 357600
explicit: false
by artist: Richard Wagner
by artist: Wolfgang Windgassen
by artist: Else-Margrete Gardelli
by artist: Bayreuth Festival Chorus
by artist: Bayreuth Festival Orchestra
by artist: Wolfgang Sawallisch
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 1962-01-01
genre: classical
genre: opera
isrc code: NLA506200612
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T13:39:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa60f8433cd786dfe9f68c7301eb90d887c8df96a766883a6517bac1ecab4c779
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960264
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960264
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506200612
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:36:16Z
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 0xa60f8433cd786dfe9f68c7301eb90d887c8df96a766883a6517bac1ecab4c779. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/NLA506200612 — a six-check JSON result.
  date published: 2026-07-30T14:36:16Z
audio: Tannhäuser (Dresden Version), Act I: Zu dir wall ich, mein Jesus Christ - Live at the Bayreuth Festival, 1962
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.999
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.139
  additional property: Energy
    type: PropertyValue
    value: 0.049
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.142
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.1
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.354
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tannhäuser (Dresden Version), Act II: Auch ich darf mich so glücklich nennen - Live at the Bayreuth Festival, 1962
type: MusicRecording
duration: PT3M24S
duration ms: 204600
explicit: false
by artist: Richard Wagner
by artist: Wolfgang Windgassen
by artist: Gerhard Stolze
by artist: Bayreuth Festival Chorus
by artist: Bayreuth Festival Orchestra
by artist: Wolfgang Sawallisch
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 1962-01-01
genre: classical
genre: opera
isrc code: NLA506200622
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T23:51:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xef4eb8fc2b9353d42e1d4ab8bc403d1255bc65dbca84a36e17fc377d6da751e3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960485
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960485
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506200622
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T00:10:46Z
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 0xef4eb8fc2b9353d42e1d4ab8bc403d1255bc65dbca84a36e17fc377d6da751e3. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506200622 — a six-check JSON result.
  date published: 2026-08-01T00:10:46Z
audio: Tannhäuser (Dresden Version), Act II: Auch ich darf mich so glücklich nennen - Live at the Bayreuth Festival, 1962
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.163
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.401
  additional property: Energy
    type: PropertyValue
    value: 0.124
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.915
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.67
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.434
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.873
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser (Dresden Version), Act I: Wer ist der dort in brünstigem Gebete? - Live at the Bayreuth Festival, 1962
type: MusicRecording
duration: PT5M0S
duration ms: 300826
explicit: false
by artist: Richard Wagner
by artist: Josef Greindl
by artist: Wolfgang Windgassen
by artist: Eberhard Wächter
by artist: Gerhard Stolze
by artist: Franz Crass
by artist: Georg Paskuda
by artist: Gerd Nienstedt
by artist: Bayreuth Festival Orchestra
by artist: Wolfgang Sawallisch
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 1962-01-01
genre: classical
genre: opera
isrc code: NLA506200613
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T18:57:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1ad6cb6957af0cc74e70e8ef1aecf43ceff429a7e83ef78b118deea80027e40b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506200613
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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 0x1ad6cb6957af0cc74e70e8ef1aecf43ceff429a7e83ef78b118deea80027e40b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506200613 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Tannhäuser (Dresden Version), Act I: Wer ist der dort in brünstigem Gebete? - Live at the Bayreuth Festival, 1962
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.592
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.269
  additional property: Energy
    type: PropertyValue
    value: 0.205
  additional property: Speechiness
    type: PropertyValue
    value: 0.078
  additional property: Acousticness
    type: PropertyValue
    value: 0.934
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.178
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.19
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.334
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tannhäuser (Dresden Version), Act I: Als du in kühnem Sange uns bestrittest - Live at the Bayreuth Festival, 1962
type: MusicRecording
duration: PT6M0S
duration ms: 360573
explicit: false
by artist: Richard Wagner
by artist: Josef Greindl
by artist: Wolfgang Windgassen
by artist: Eberhard Wächter
by artist: Gerhard Stolze
by artist: Franz Crass
by artist: Georg Paskuda
by artist: Gerd Nienstedt
by artist: Bayreuth Festival Orchestra
by artist: Wolfgang Sawallisch
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 1962-01-01
genre: classical
genre: opera
isrc code: NLA506200614
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T05:21:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xabb6471008da23effb1183b9b68d13378420e72a555f6c69b0d6dd45fcf8981a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960352
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960352
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506200614
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T05:48:30Z
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 0xabb6471008da23effb1183b9b68d13378420e72a555f6c69b0d6dd45fcf8981a. Chain 2 (Bitcoin): anchored in block 960352 (2026-07-31T05:48:30Z), 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/NLA506200614 — a six-check JSON result.
  date published: 2026-07-31T05:48:30Z
audio: Tannhäuser (Dresden Version), Act I: Als du in kühnem Sange uns bestrittest - Live at the Bayreuth Festival, 1962
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 88.451
  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: 0.218
  additional property: Energy
    type: PropertyValue
    value: 0.276
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.943
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.154
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.299
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.725
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser (Dresden Version), Act II: Dir, Göttin der Liebe, soll mein Lied ertönen! - Live at the Bayreuth Festival, 1962
type: MusicRecording
duration: PT1M37S
duration ms: 97493
explicit: false
by artist: Richard Wagner
by artist: Josef Greindl
by artist: Wolfgang Windgassen
by artist: Eberhard Wächter
by artist: Gerhard Stolze
by artist: Franz Crass
by artist: Georg Paskuda
by artist: Gerd Nienstedt
by artist: Anja Silja
by artist: Bayreuth Festival Chorus
by artist: Bayreuth Festival Orchestra
by artist: Wolfgang Sawallisch
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 1962-01-01
genre: classical
genre: opera
isrc code: NLA506200624
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T11:04:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb9d6c3b0b04b9ba5e98b4e69b95402667356f41e7e58e26fbe45ff053e25e7b8
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/NLA506200624
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 0xb9d6c3b0b04b9ba5e98b4e69b95402667356f41e7e58e26fbe45ff053e25e7b8. 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/NLA506200624 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Tannhäuser (Dresden Version), Act II: Dir, Göttin der Liebe, soll mein Lied ertönen! - Live at the Bayreuth Festival, 1962
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.092
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.251
  additional property: Energy
    type: PropertyValue
    value: 0.402
  additional property: Speechiness
    type: PropertyValue
    value: 0.065
  additional property: Acousticness
    type: PropertyValue
    value: 0.894
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.884
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.19
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.208
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser (Dresden Version), Act III: Da sank ich in Vernichtung dumpf darnieder – Halt ein! Unsel'ger - Live at the Bayreuth Festival, 1962
type: MusicRecording
duration: PT3M45S
duration ms: 225506
explicit: false
by artist: Richard Wagner
by artist: Wolfgang Windgassen
by artist: Eberhard Wächter
by artist: Bayreuth Festival Orchestra
by artist: Wolfgang Sawallisch
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 1962-01-01
genre: classical
genre: opera
isrc code: NLA506200639
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T18:11:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3303af50ce039332882e2ad46744596add8af7cc69a5ada8d69686e06435052e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506200639
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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 0x3303af50ce039332882e2ad46744596add8af7cc69a5ada8d69686e06435052e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506200639 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Tannhäuser (Dresden Version), Act III: Da sank ich in Vernichtung dumpf darnieder – Halt ein! Unsel'ger - Live at the Bayreuth Festival, 1962
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.854
  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: 0.303
  additional property: Energy
    type: PropertyValue
    value: 0.284
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.914
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.321
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.169
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.064
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tannhäuser (Dresden Version), Act II: Der Unglücksel'ge, den gefangen - Live at the Bayreuth Festival, 1962
type: MusicRecording
duration: PT3M15S
duration ms: 195840
explicit: false
by artist: Richard Wagner
by artist: Anja Silja
by artist: Bayreuth Festival Orchestra
by artist: Wolfgang Sawallisch
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 1962-01-01
genre: classical
genre: opera
isrc code: NLA506200626
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:40:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x63b5c11f7cb8e08986eae17296ee6ac9ae5e20756a257f20141e92509c89bb97
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/NLA506200626
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 0x63b5c11f7cb8e08986eae17296ee6ac9ae5e20756a257f20141e92509c89bb97. 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/NLA506200626 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Tannhäuser (Dresden Version), Act II: Der Unglücksel'ge, den gefangen - Live at the Bayreuth Festival, 1962
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.774
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.187
  additional property: Energy
    type: PropertyValue
    value: 0.051
  additional property: Speechiness
    type: PropertyValue
    value: 0.066
  additional property: Acousticness
    type: PropertyValue
    value: 0.956
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.139
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.638
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser (Dresden Version), Act III: Heil! Heil! Der Gnade Wunder Heil! - Live at the Bayreuth Festival, 1962
type: MusicRecording
duration: PT2M30S
duration ms: 150666
explicit: false
by artist: Richard Wagner
by artist: Josef Greindl
by artist: Eberhard Wächter
by artist: Gerhard Stolze
by artist: Franz Crass
by artist: Georg Paskuda
by artist: Gerd Nienstedt
by artist: Bayreuth Festival Chorus
by artist: Bayreuth Festival Orchestra
by artist: Wolfgang Sawallisch
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 1962-01-01
genre: classical
genre: opera
isrc code: NLA506200641
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T08:51:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x10f7d3096fcd6d5465ea06cb85fc50aef1ca64d3fc16ed05bb1df65d345fba0f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960241
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960241
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506200641
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:58:01Z
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 0x10f7d3096fcd6d5465ea06cb85fc50aef1ca64d3fc16ed05bb1df65d345fba0f. Chain 2 (Bitcoin): anchored in block 960241 (2026-07-30T09:58:01Z), 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/NLA506200641 — a six-check JSON result.
  date published: 2026-07-30T09:58:01Z
audio: Tannhäuser (Dresden Version), Act III: Heil! Heil! Der Gnade Wunder Heil! - Live at the Bayreuth Festival, 1962
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.437
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.133
  additional property: Energy
    type: PropertyValue
    value: 0.194
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.956
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.09
  additional property: Liveness
    type: PropertyValue
    value: 0.151
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.053
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.195
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser (Dresden Version), Act II: Weh! Weh, mir Unglücksel'gem! - Live at the Bayreuth Festival, 1962
type: MusicRecording
duration: PT6M19S
duration ms: 379000
explicit: false
by artist: Richard Wagner
by artist: Josef Greindl
by artist: Wolfgang Windgassen
by artist: Eberhard Wächter
by artist: Gerhard Stolze
by artist: Franz Crass
by artist: Georg Paskuda
by artist: Gerd Nienstedt
by artist: Anja Silja
by artist: Bayreuth Festival Chorus
by artist: Bayreuth Festival Orchestra
by artist: Wolfgang Sawallisch
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 1962-01-01
genre: classical
genre: opera
isrc code: NLA506200627
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T23:19:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc6144cfcbce85748aa32533105b0c86d85c01f340e3423dc4977950105d60bf6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960478
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960478
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506200627
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:30:38Z
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 0xc6144cfcbce85748aa32533105b0c86d85c01f340e3423dc4977950105d60bf6. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/NLA506200627 — a six-check JSON result.
  date published: 2026-07-31T23:30:38Z
audio: Tannhäuser (Dresden Version), Act II: Weh! Weh, mir Unglücksel'gem! - Live at the Bayreuth Festival, 1962
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.941
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.143
  additional property: Energy
    type: PropertyValue
    value: 0.235
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.141
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.074
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.534
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tannhäuser (Dresden Version), Act II: Versammelt sind aus meinen Landen - Live at the Bayreuth Festival, 1962
type: MusicRecording
duration: PT5M37S
duration ms: 337333
explicit: false
by artist: Richard Wagner
by artist: Josef Greindl
by artist: Eberhard Wächter
by artist: Gerhard Stolze
by artist: Franz Crass
by artist: Georg Paskuda
by artist: Gerd Nienstedt
by artist: Anja Silja
by artist: Bayreuth Festival Chorus
by artist: Bayreuth Festival Orchestra
by artist: Wolfgang Sawallisch
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 1962-01-01
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    date published: 2026-07-08T03:20:19Z
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track: Missa Bell' Amfitrit' altera: Agnus Dei

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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:20:19Z

O sacrum convivium
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Schubert: Das geistliche & weltliche Chorwerk · Sacred & Secular Choral Works
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-30T10:42:33Z
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track: Elijah, Op. 70, MWV A25: Part I: Introduction: So wahr der Herr, der Gott Israels, lebet (Baritone)
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track: Elijah, Op. 70, MWV A25: Part I: Duet: Herr, hore unser Gebet! (Soprano, Alto, Chorus)
track: Elijah, Op. 70, MWV A25: Part I: Recitative: Zerreisset eure Herzen (Tenor)
track: Elijah, Op. 70, MWV A25: Part I: Aria: So ihr mich von ganzem Herzen suchet (Tenor)
track: Elijah, Op. 70, MWV A25: Part I: Aber der Herr sieht es nicht (Chorus)
track: Elijah, Op. 70, MWV A25: Part I: Recitative: Elias, gehe weg von hinnen (Alto)
track: Elijah, Op. 70, MWV A25: Part II: Trio: Hebe deine Augen auf zu den Bergen (Sopranos)
track: Elijah, Op. 70, MWV A25: Part I: Double Quartet: Denn er hat seinen Engeln befohlen uber dir (Chorus)
track: Elijah, Op. 70, MWV A25: Part I: Recitative: Nun auch der Bach vertrocknet ist (Alto)
track: Elijah, Op. 70, MWV A25: Part I: Recitative, Aria and Duet: Was hast du an mir getan, du Mann Gottes! (Soprano, Baritone)
track: Elijah, Op. 70, MWV A25: Part I: Wohl dem, der den Herrn furchtet (Chorus)
track: Elijah, Op. 70, MWV A25: Part I: Recitative: So wahr der Herr Zebaoth lebet (Baritone, Tenor, Chorus)
track: Elijah, Op. 70, MWV A25: Part I: Baal, erhore uns! (Chorus)
track: Elijah, Op. 70, MWV A25: Part I: Recitative: Rufet lauter (Baritone, Chorus)
track: Elijah, Op. 70, MWV A25: Part I: Aria: Herr Gott Abrahams, Isaaks und Israels (Baritone)
track: Elijah, Op. 70, MWV A25: Part I: Quartet: Wirf dein Anliegen auf den Herrn (Soprano, Alto, Tenor, Baritone)
track: Elijah, Op. 70, MWV A25: Part I: Recitative: Der du deine Diener machst zu Geistern (Baritone, Chorus)
track: Elijah, Op. 70, MWV A25: Part I: Dank sei dir, Gott (Chorus)

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subject of: OpenTimestamps Proof of Existence
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T21:25:57Z
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Elijah, Op. 70, MWV A25: Part II: Trio: Hebe deine Augen auf zu den Bergen (Sopranos)
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  date published: 2026-07-31T19:53:13Z
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Elijah, Op. 70, MWV A25: Part I: Double Quartet: Denn er hat seinen Engeln befohlen uber dir (Chorus)
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by artist: Barbara Fleckenstein
by artist: Bavarian Radio Chorus
by artist: Bavarian Radio Symphony Orchestra
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:19:15Z
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Elijah, Op. 70, MWV A25: Part I: Recitative: Nun auch der Bach vertrocknet ist (Alto)
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by artist: Bavarian Radio Chorus
by artist: Bavarian Radio Symphony Orchestra
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-08-01T00:15:43Z
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Elijah, Op. 70, MWV A25: Part I: Recitative, Aria and Duet: Was hast du an mir getan, du Mann Gottes! (Soprano, Baritone)
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by artist: Barbara Fleckenstein
by artist: Bavarian Radio Chorus
by artist: Bavarian Radio Symphony Orchestra
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:20:15Z
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Elijah, Op. 70, MWV A25: Part I: Wohl dem, der den Herrn furchtet (Chorus)
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by artist: Barbara Fleckenstein
by artist: Bavarian Radio Chorus
by artist: Bavarian Radio Symphony Orchestra
by artist: Wolfgang Sawallisch
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  date published: 2011-06-07
popularity: 3
genre: classical
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genre: german-romanticism
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T19:53:13Z
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Elijah, Op. 70, MWV A25: Part I: Recitative: So wahr der Herr Zebaoth lebet (Baritone, Tenor, Chorus)
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by artist: Barbara Fleckenstein
by artist: Bavarian Radio Chorus
by artist: Bavarian Radio Symphony Orchestra
by artist: Wolfgang Sawallisch
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popularity: 2
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genre: german-romanticism
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Elijah, Op. 70, MWV A25: Part I: Baal, erhore uns! (Chorus)
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by artist: Bavarian Radio Chorus
by artist: Bavarian Radio Symphony Orchestra
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  date published: 2011-06-07
popularity: 2
genre: classical
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genre: german-romanticism
genre: classical-piano
genre: choral
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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Elijah, Op. 70, MWV A25: Part I: Aria: Herr Gott Abrahams, Isaaks und Israels (Baritone)
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Elijah, Op. 70, MWV A25: Part I: Quartet: Wirf dein Anliegen auf den Herrn (Soprano, Alto, Tenor, Baritone)
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Elijah, Op. 70, MWV A25: Part I: Recitative: Der du deine Diener machst zu Geistern (Baritone, Chorus)
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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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    date published: 2026-07-31T21:25:57Z
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  by artist: Hermann Winkler
  by artist: Klaus-Jurgen Kuper
  by artist: Hermann Becht
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  genre: classical
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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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    date published: 2026-07-08T03:22:41Z
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date published: 2013-09-16
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  by artist: Scottish National Orchestra
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  genre: classical
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  additional property: OTSVerificationAPI
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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
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    date published: 2026-07-29T21:51:49Z
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track: Schubert: Gesang der Geister über den Wassern, Op. Posth. 167, D. 714
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  additional property: OTSVerificationAPI
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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
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    date published: 2026-08-01T03:41:24Z
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track: Barber: Agnus Dei - Adagio
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  subject of: OpenTimestamps Proof of Existence
  audio: Barber: Agnus Dei - Adagio
track: Beethoven: Symphony No. 9 in D Minor, Op. 125 "Choral": IV. Presto "O Freunde, nicht diese Töne!" (Excerpt)

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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 0xc5b878f40e8922d7691fd3005eaa3bdf4c7e729b7e6c18cb075fc20abed04913. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1000215 — a six-check JSON result.
date published: 2026-07-08T03:22:41Z

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Beethoven: Symphony No. 9 in D Minor, Op. 125 "Choral": IV. Presto "O Freunde, nicht diese Töne!" (Excerpt)
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by artist: James Morris
by artist: Philadelphia Orchestra
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
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Richard Wagner: Tannhäuser
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date published: 2015-07-17

Wolfgang Sawallisch Conducts Strauss
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date published: 2023-08-11

Brahms: Tragic Overture, Academic Festival Overture & Symphonies Nos. 2 & 3
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Philharmonia Orchestra - Mendelssohn
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Mozart & Mendelssohn: Violin Concertos
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Strauss: Der Bürger als Edelmann, Intermezzo & Horn Concertos Nos. 1 & 2
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Milestones of a Legendary Conductor: Wolfgang Sawallisch, Vol. 9
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Milestones of a Legendary Conductor: Wolfgang Sawallisch, Vol. 8
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Milestones of a Legendary Conductor: Wolfgang Sawallisch, Vol. 6 (Live)
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Milestones of a Legendary Conductor: Wolfgang Sawallisch, Vol. 4
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Milestones of a Legendary Conductor: Wolfgang Sawallisch, Vol. 3
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Milestones of a Legendary Conductor: Wolfgang Sawallisch, Vol. 2
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Milestones of a Legendary Conductor: Wolfgang Sawallisch, Vol. 10
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Milestones of a Legendary Conductor: Wolfgang Sawallisch, Vol. 1
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Mozart: Symphony Nos. 25, 14 & 40 (Live)
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Wagner: Tristan und Isolde, WWV 90
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Strauss: Die Frau ohne Schatten, Op. 65
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Christian Ferras, Vol. 1 (Live)
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The Art of Vladimir Orloff
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Opera Scenes
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Also Sprach Zarathustra, Op. 30
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Beethoven: Symphony No. 7 in A Major, Op. 92: II. Allegretto (Excerpt)
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Piano Concerto No. 20 in D Minor, K.466: II. Romanze
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Voices of Spring, Waltz, Op. 410
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Debussy / Orch. Stokowski: Suite bergamasque, CD 82, L. 75: III. Clair de lune
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Piano Concerto No. 5 in E Flat, Op.73 'Emperor': II. Adagio un poco mosso
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Debussy / Orch. Stokowski: Suite bergamasque, CD 82, L. 75: III. Clair de lune
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Die Zauberflöte, K. 620, Act II: Der Hölle Rache kocht in meinem Herzen (Königin der Nacht)
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Piano Concerto No. 21 in C Major, K. 467: II. Andante
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Lohengrin / Act 3: "Treulich geführt ziehet dahin"
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Die Zauberflöte - Singspiel in two acts K620 (1987 Digital Remaster), Act II: Der Hölle Rache kocht in meinem Herzen (Königin)
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Piano Concerto No. 21 in C Major, K. 467: II. Andante
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Piano Concerto No. 5 in E-Flat Major, Op. 73 "Emperor": I. Allegro
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Mozart: Piano Concerto No. 22 in E-Flat Major, K. 482: II. Andante
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Die Zauberflöte, K. 620, Act II: Der Hölle Rache kocht in meinem Herzen (Königin)
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Suite bergamasque, L. 75: III. Clair de lune
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