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subject of: OpenTimestamps Proof of Existence
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album: Bach, J.S.: Cantatas "Ich will den Kreuzstab gerne tragen", BWV 56; "Ich habe genug", BWV 82
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album: Bach, J.S.: Cantatas "Christ lag in Todesbanden", "Ich will den Kreuzstab gerne tragen" & "Ich habe genug"
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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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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-31T02:19:15Z
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album: Johann Sebastian Bach: The Collection
album: Best of Baroque - Die 50 größten Barock-Werke
album: Baroque and More
album: 50 Greatest Baroque Works
album: Early Recordings on Deutsche Grammophon
album: An die Musik
album: The Art of Dietrich Fischer-Dieskau
album: BD Music Presents J.S. Bach
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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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Bach: Cantatas Nos. 56 and 82 / Brahms: 4 Ernste Gesange, Op. 121
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Johann Sebastian Bach: The Collection
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date published: 2015-02-03

Best of Baroque - Die 50 größten Barock-Werke
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T23:30:38Z
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track: Solomon, HWV 67: The Arrival of the Queen of Sheba
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  subject of: OpenTimestamps Proof of Existence
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date published: 2026-07-09T02:31:37Z

Goldberg Variations, BWV 988: Aria
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The Four Seasons, Winter, Violin Concerto in F Minor, RV 297, Op. 8 No. 4: I. Allegro non molto
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Ich habe genug, BWV 82: I. Aria. Ich habe genug, ich habe den Heiland (Bass)
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Brandenburg Concerto No. 3 in G Major, BWV 1048: I. [Allegro]
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Messiah, HWV 56: "Hallelujah"
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subject of: OpenTimestamps Proof of Existence
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Concerto in F Major, Op. 4, No. 12: 2. Largo
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Baroque and More
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-30T04:47:22Z
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50 Greatest Baroque Works
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T18:48:12Z
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Early Recordings on Deutsche Grammophon
type: MusicAlbum
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An die Musik
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  additional property: OTSTimestamp
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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: 2026-07-02T03:55:08Z
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track: Der Musensohn, D. 764
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T08:38:45Z
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  subject of: OpenTimestamps Proof of Existence
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track: Schwanengesang, D. 957: Ständchen
track: Ich habe genug, BWV 82: I. Aria. Ich habe genug, ich habe den Heiland (Bass)
track: Orfeo ed Euridice, Wq. 30 / Act 3: No. 43 Aria: "Ach, ich habe sie verloren" (Arr. Alfred Doerffel)
track: Die Zauberflöte, K. 620 / Act 1: "Der Vogelfänger bin ich ja"
track: 6 Lieder, Op. 86: No. 2, Feldeinsamkeit
track: Mörike-Lieder: No. 12, Verborgenheit

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OTSVerificationAPI
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16ea4dd714714da04e225fb72e02c80350e02dbe44ecfc208c8106264c8ae3da. 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/DEF056902820 — a six-check JSON result.
date published: 2026-07-08T03:20:19Z

Du bist die Ruh, D. 776
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Schwanengesang, D. 957: Ständchen
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by artist: Dietrich Fischer-Dieskau
by artist: Gerald Moore
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genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Ich habe genug, BWV 82: I. Aria. Ich habe genug, ich habe den Heiland (Bass)
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by artist: Hermann Töttcher
by artist: Karl Ristenpart Chamber Orchestra
by artist: Karl Ristenpart
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  date published: 2005-01-01
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
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additional property: CopyrightRegisteredAt
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T18:48:12Z
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Orfeo ed Euridice, Wq. 30 / Act 3: No. 43 Aria: "Ach, ich habe sie verloren" (Arr. Alfred Doerffel)
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Die Zauberflöte, K. 620 / Act 1: "Der Vogelfänger bin ich ja"
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6 Lieder, Op. 86: No. 2, Feldeinsamkeit
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Mörike-Lieder: No. 12, Verborgenheit
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The Art of Dietrich Fischer-Dieskau
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BD Music Presents J.S. Bach
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Bach: Cantatas Nos. 56 and 82 / Brahms: 4 Ernste Gesänge, Op. 121
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