Gerhard Schmidt-Gaden
type: MusicGroup
genre: requiem
description: Gerhard Schmidt-Gaden (born 19 June 1937) is a German conductor, especially a choral conductor, and an academic teacher. He founded and conducted the Tölzer Knabenchor. Life Born in Karlovy Vary, C
popularity: 16
followers: 187
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc6afd7e104ae2dd7ba11a96154a375954555458bf611166cdb064fbf30c440fb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953625
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953625
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2acf42ad-04c9-4d77-b3b9-90979459961d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2acf42ad-04c9-4d77-b3b9-90979459961d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2acf42ad-04c9-4d77-b3b9-90979459961d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T11:37:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc6afd7e104ae2dd7ba11a96154a375954555458bf611166cdb064fbf30c440fb","name":"Gerhard Schmidt-Gaden","registered_at":"2026-06-14T08:53:11Z","symbol":"NIM0401664","token_address":"0x3c4b4b04530e1fb4aab62981473d959254ec13d0","type":"artist","uuid":"2acf42ad-04c9-4d77-b3b9-90979459961d"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6afd7e104ae2dd7ba11a96154a375954555458bf611166cdb064fbf30c440fb. Chain 2 (Bitcoin): anchored in block 953625 (2026-06-14T11:37:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2acf42ad-04c9-4d77-b3b9-90979459961d.json and https://artists.proofprofile.net/proofs/artist/2acf42ad-04c9-4d77-b3b9-90979459961d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T11:37:06Z
  text: {"copyright_id":"0xc6afd7e104ae2dd7ba11a96154a375954555458bf611166cdb064fbf30c440fb","name":"Gerhard Schmidt-Gaden","registered_at":"2026-06-14T08:53:11Z","symbol":"NIM0401664","token_address":"0x3c4b4b04530e1fb4aab62981473d959254ec13d0","type":"artist","uuid":"2acf42ad-04c9-4d77-b3b9-90979459961d"}
album: Frohe Weihnacht
  type: MusicAlbum
  date published: 2008-05-01
  track: Es ist ein Ros entsprungen
    type: MusicRecording
    duration: PT2M31S
    duration ms: 151413
    explicit: false
    by artist: Michael Praetorius
    by artist: Traditional
    by artist: Dresdner Kreuzchor
    by artist: Martin Flämig
    in album: Frohe Weihnacht
      type: MusicAlbum
      date published: 2008-05-01
    popularity: 10
    genre: medieval
    isrc code: USB8U1035283
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-20T03:41:30+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xabea16c64b46800c0298380e996c01fa7a664873174d0c2150fd320f2404e7fc
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956302
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956302
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1035283
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:30:09Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabea16c64b46800c0298380e996c01fa7a664873174d0c2150fd320f2404e7fc. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1035283.
      date published: 2026-07-02T03:30:09Z
    audio: Es ist ein Ros entsprungen
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 112.995
      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: 0.27
      additional property: Energy
        type: PropertyValue
        value: 0.091
      additional property: Speechiness
        type: PropertyValue
        value: 0.041
      additional property: Acousticness
        type: PropertyValue
        value: 0.991
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.034
      additional property: Liveness
        type: PropertyValue
        value: 0.052
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.253
      additional property: Loudness (dB)
        type: PropertyValue
        value: -25.412
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Britten: War Requiem; Spring Symphony; 5 Flower Songs; Hymn to St. Cecilia
  type: MusicAlbum
  date published: 2002-01-01
album: Orff: Carmina Burana
  type: MusicAlbum
  date published: 2010-01-01
  track: Carmina Burana / Fortuna Imperatrix Mundi: "O Fortuna"
    type: MusicRecording
    duration: PT2M31S
    duration ms: 151146
    explicit: false
    by artist: Carl Orff
    by artist: Bavarian Radio Symphony Orchestra
    by artist: Daniel Harding
    by artist: Bavarian Radio Chorus
    by artist: Robert Blank
    in album: Orff: Carmina Burana
      type: MusicAlbum
      date published: 2010-01-01
    isrc code: DEN961030401
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-27T06:54:36+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x501d43b3cb0fe959e2a171f35269657d9f8d7515e2643cde221a01d1f41fb6af
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956304
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956304
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961030401
    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 0x501d43b3cb0fe959e2a171f35269657d9f8d7515e2643cde221a01d1f41fb6af. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961030401.
      date published: 2026-07-02T03:55:08Z
    audio: Carmina Burana / Fortuna Imperatrix Mundi: "O Fortuna"
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 147.197
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.318
      additional property: Energy
        type: PropertyValue
        value: 0.266
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Haydn: Theresienmesse, Salve Regina
album: Classical Music for Meditation and Yoga
album: Das Beste: Mozart
album: Favourite Wedding Classics
album: Weihnachtsmusik: Classical Christmas
album: 100 Christmas Classics
album: Christmas Festive Concert - Bach, J.S. / Handel, G.F. / Praetorius, M. / Manfredini, F.O. / Mendelssohn, Felix / Gabrieli, G.
album: Schumann: Szenen aus Goethes "Faust"
album: Claudio Abbado - The RCA and Sony Album Collection
album: Mozart: Requiem / Choral Works
album: Die 150 schonsten Volkslieder
album: Angel Voices: The Boys' Choirs Christmas Celebration
album: Pfitzner: Palestrina
album: Fleischer: Lieder
album: Choral Music (Ave Maria Choruses) - Bach, J.S. / Gounod, C.-F. / Mendelssohn, Felix / Schubert, F. / Bruckner, A. / Pergolesi, G.B.
album: Schutz, H.: Kleiner Geistlichen Concerten
album: Schutz, H.: Kleiner Geistlichen Concerten, Part Ii
album: Choral Music (Sacred) - Bach, J.S. / Schubert, F. / Zelenka, J.D. / Schein, J.H. / Handel, G.F. / Schutz, H. / Bruckner, A. / Schubert, F.
album: Christmas Choral Concert - Handel, G.F. / Mozart, W.A. / Bach, J.S. / Praetorius, M. / Gruber, F.X. / Bach, J.C.F. / Adam, A.
album: Kein schöner Land - Deutsche Volkslieder
album: Soft Classical Music
album: Baroque Christmas
album: Greatest Hits of the Chorus
album: Macht hoch die Tür: Advents- und Weihnachtsmusik
album: Benevoli & Pitoni: Römische Mehrstimmigkeit
album: Schnizer: Mass in C Major
album: Palestrina: Missa "Tu Es Petrus" & Motets
album: Bach: Weihnachtsoratorium
album: Motets of the Bach Family
album: Guillaume Dufay: Missa "Si la face ay pale"
album: Lasso, O.: Penitential Psalms, Vol. 2
album: Lasso, O.: Psalms 6, 32 and 38
album: Schutz, H.: Geistliche Chormusik
album: Christmas Songs
album: Christmas Choral Music
album: Mozart: Apollo & Hyacinthus
album: Ein Männlein steht im Walde

Speechiness
type: PropertyValue
value: 0.033

Acousticness
type: PropertyValue
value: 0.963

Instrumentalness
type: PropertyValue
value: 0.059

Liveness
type: PropertyValue
value: 0.119

Valence (Positivity)
type: PropertyValue
value: 0.522

Loudness (dB)
type: PropertyValue
value: -19.944

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Minor

Haydn: Theresienmesse, Salve Regina
type: MusicAlbum
date published: 1973

Classical Music for Meditation and Yoga
type: MusicAlbum
date published: 2009-03-24

Das Beste: Mozart
type: MusicAlbum
date published: 2013-06-24
track: Le nozze di Figaro, K.492: Act II: Voi che sapete
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170266
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Margaret Price
  in album: Das Beste: Mozart
    type: MusicAlbum
    date published: 2013-06-24
  genre: classical
  genre: classical-era
  isrc code: GBARU0400053
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-12T01:28:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe2e038358326b91d6cbb587c29c266f500f4461dfc8ada0a3e3f18dfcf69d1b3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953520
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARU0400053
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2e038358326b91d6cbb587c29c266f500f4461dfc8ada0a3e3f18dfcf69d1b3. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBARU0400053.
    date published: 2026-06-13T13:32:09Z
  audio: Le nozze di Figaro, K.492: Act II: Voi che sapete
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 127.26
    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: 0.341
    additional property: Energy
      type: PropertyValue
      value: 0.14
    additional property: Speechiness
      type: PropertyValue
      value: 0.044
    additional property: Acousticness
      type: PropertyValue
      value: 0.992
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.06
    additional property: Liveness
      type: PropertyValue
      value: 0.13
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.191
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.07
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Concerto for Clarinet and Orchestra in A Major, K. 622: III. Rondo. Allegro
  type: MusicRecording
  duration: PT8M21S
  duration ms: 501533
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Sir Colin Davis
  by artist: Bavarian Radio Symphony Orchestra
  by artist: Karl-Heinz Steffens
  in album: Das Beste: Mozart
    type: MusicAlbum
    date published: 2013-06-24
  genre: classical
  genre: classical-era
  isrc code: USBC19400330
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T02:30:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe71d21a346bd74148038c2ea01e442b00e83243dc14c096935fd2d4e2f31871a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953520
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19400330
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe71d21a346bd74148038c2ea01e442b00e83243dc14c096935fd2d4e2f31871a. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19400330.
    date published: 2026-06-13T13:32:09Z
  audio: Concerto for Clarinet and Orchestra in A Major, K. 622: III. Rondo. Allegro
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 140.218
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.337
    additional property: Energy
      type: PropertyValue
      value: 0.067
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.973
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.735
    additional property: Liveness
      type: PropertyValue
      value: 0.202
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.367
    additional property: Loudness (dB)
      type: PropertyValue
      value: -24.707
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

Favourite Wedding Classics
type: MusicAlbum
date published: 1996-02-15
track: Pachelbel: Canon and Gigue for Three Violins and Continuo in D Major: Canon
  type: MusicRecording
  duration: PT5M0S
  duration ms: 300266
  explicit: false
  by artist: Johann Pachelbel
  by artist: Sir Neville Marriner
  by artist: Academy of St. Martin in the Fields
  in album: Favourite Wedding Classics
    type: MusicAlbum
    date published: 1996-02-15
  isrc code: GBAYC9203528
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-17T22:10:46+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdda45babb664adcd45d30dcdee6d751732feae42ce12d1cf40cb9df7f4652193
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956302
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9203528
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdda45babb664adcd45d30dcdee6d751732feae42ce12d1cf40cb9df7f4652193. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9203528.
    date published: 2026-07-02T03:30:09Z
  audio: Pachelbel: Canon and Gigue for Three Violins and Continuo in D Major: Canon
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 107.921
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.128
    additional property: Energy
      type: PropertyValue
      value: 0.135
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.773
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.919
    additional property: Liveness
      type: PropertyValue
      value: 0.104
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.107
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.375
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

Weihnachtsmusik: Classical Christmas
type: MusicAlbum
date published: 2019-12-06

100 Christmas Classics
type: MusicAlbum
date published: 2019-11-01

Christmas Festive Concert - Bach, J.S. / Handel, G.F. / Praetorius, M. / Manfredini, F.O. / Mendelssohn, Felix / Gabrieli, G.
type: MusicAlbum
date published: 2001-01-01

Schumann: Szenen aus Goethes "Faust"
type: MusicAlbum
date published: 1995-02-28

Claudio Abbado - The RCA and Sony Album Collection
type: MusicAlbum
date published: 1976

Mozart: Requiem / Choral Works
type: MusicAlbum
date published: 1991
track: Requiem, K. 626: Sequentia: Dies irae
  type: MusicRecording
  duration: PT1M44S
  duration ms: 104906
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Sir Colin Davis
  by artist: Angela Maria Blasi
  by artist: Marjana Lipovsek
  by artist: Uwe Heilmann
  by artist: Jan-Hendrik Rootering
  in album: Mozart: Requiem / Choral Works
    type: MusicAlbum
    date published: 1991
  genre: classical
  genre: classical-era
  isrc code: USBC19100211
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T18:48:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x90d7d684d4921d236288ad0790fa3bbf88cc0be9515dfba4f1edbff632ad3c1c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953520
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19100211
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90d7d684d4921d236288ad0790fa3bbf88cc0be9515dfba4f1edbff632ad3c1c. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19100211.
    date published: 2026-06-13T13:32:09Z
  audio: Requiem, K. 626: Sequentia: Dies irae
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 104.388
    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: 0.39
    additional property: Energy
      type: PropertyValue
      value: 0.417
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.958
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.776
    additional property: Liveness
      type: PropertyValue
      value: 0.208
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.411
    additional property: Loudness (dB)
      type: PropertyValue
      value: -17.668
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Requiem, K. 626: Sequentia: Lacrimosa
  type: MusicRecording
  duration: PT3M15S
  duration ms: 195026
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Sir Colin Davis
  in album: Mozart: Requiem / Choral Works
    type: MusicAlbum
    date published: 1991
  genre: classical
  genre: classical-era
  isrc code: USBC19100216
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T23:30:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfaba7b84b3c94a2253a3c627dc509d634d59da7f69144942ff10feef195cc38a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19100216
  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 0xfaba7b84b3c94a2253a3c627dc509d634d59da7f69144942ff10feef195cc38a. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19100216.
    date published: 2026-07-02T03:55:08Z
  audio: Requiem, K. 626: Sequentia: Lacrimosa
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 105.677
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.104
    additional property: Energy
      type: PropertyValue
      value: 0.083
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.971
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.49
    additional property: Liveness
      type: PropertyValue
      value: 0.186
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.063
    additional property: Loudness (dB)
      type: PropertyValue
      value: -24.856
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Die 150 schonsten Volkslieder
type: MusicAlbum
date published: 2011-08-02

Angel Voices: The Boys' Choirs Christmas Celebration
type: MusicAlbum
date published: 2010-12-01

Pfitzner: Palestrina
type: MusicAlbum
date published: 1989-01-01

Fleischer: Lieder
type: MusicAlbum
date published: 2011-11-01

Choral Music (Ave Maria Choruses) - Bach, J.S. / Gounod, C.-F. / Mendelssohn, Felix / Schubert, F. / Bruckner, A. / Pergolesi, G.B.
type: MusicAlbum
date published: 1996-01-01

Schutz, H.: Kleiner Geistlichen Concerten
type: MusicAlbum
date published: 1993-01-01

Schutz, H.: Kleiner Geistlichen Concerten, Part Ii
type: MusicAlbum
date published: 1993-01-01

Choral Music (Sacred) - Bach, J.S. / Schubert, F. / Zelenka, J.D. / Schein, J.H. / Handel, G.F. / Schutz, H. / Bruckner, A. / Schubert, F.
type: MusicAlbum
date published: 2003-01-01

Christmas Choral Concert - Handel, G.F. / Mozart, W.A. / Bach, J.S. / Praetorius, M. / Gruber, F.X. / Bach, J.C.F. / Adam, A.
type: MusicAlbum
date published: 1996-01-01

Kein schöner Land - Deutsche Volkslieder
type: MusicAlbum
date published: 2009-01-01

Soft Classical Music
type: MusicAlbum
date published: 2021-08-28

Baroque Christmas
type: MusicAlbum
date published: 2014-10-07

Greatest Hits of the Chorus
type: MusicAlbum
date published: 1996-10-29
track: Aida " Marcha Triunfale "
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254400
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Luis Cobos
  in album: Greatest Hits of the Chorus
    type: MusicAlbum
    date published: 1996-10-29
  genre: classical
  genre: opera
  isrc code: ES5110304826
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T14:51:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x59031872e3268753d0e21f763557e580ca5ea5a242900605f3a269606a6b8c52
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956302
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5110304826
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59031872e3268753d0e21f763557e580ca5ea5a242900605f3a269606a6b8c52. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5110304826.
    date published: 2026-07-02T03:30:09Z
  audio: Aida " Marcha Triunfale "
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 127.859
    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: 0.277
    additional property: Energy
      type: PropertyValue
      value: 0.329
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.95
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.079
    additional property: Liveness
      type: PropertyValue
      value: 0.089
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.166
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.707
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Macht hoch die Tür: Advents- und Weihnachtsmusik
type: MusicAlbum
date published: 2018-09-28

Benevoli & Pitoni: Römische Mehrstimmigkeit
type: MusicAlbum
date published: 2011-09-02

Schnizer: Mass in C Major
type: MusicAlbum
date published: 1987-05-01

Palestrina: Missa "Tu Es Petrus" & Motets
type: MusicAlbum
date published: 1974

Bach: Weihnachtsoratorium
type: MusicAlbum
date published: 1973

Motets of the Bach Family
type: MusicAlbum
date published: 2010-12-01

Guillaume Dufay: Missa "Si la face ay pale"
type: MusicAlbum
date published: 2005-08-31

Lasso, O.: Penitential Psalms, Vol. 2
type: MusicAlbum
date published: 2005-01-01

Lasso, O.: Psalms 6, 32 and 38
type: MusicAlbum
date published: 2003-01-01

Schutz, H.: Geistliche Chormusik
type: MusicAlbum
date published: 1999-01-01

Christmas Songs
type: MusicAlbum
date published: 1999-01-01

Christmas Choral Music
type: MusicAlbum
date published: 1994-01-01

Mozart: Apollo & Hyacinthus
type: MusicAlbum
date published: 1991-01-01

Ein Männlein steht im Walde
type: MusicAlbum
date published: 2016-02-19