ISRC ITBZ82100844
Verified recording
ITBZ82100844 is “Notebook for Anna Magdalena Bach (1725) [Excerpts]: No. 27, Sonata in E-Flat Major, Wq. 65 No. 7 [Attrib. J.S. Bach's BWV Anh. 129]” by Carl Philipp Emanuel Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x8abe75d0ded72c3727785965e581140cbd35dd4b910227f7820539b74259bd8a and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITBZ82100844.
Recording identifiers
- ISRC
- ITBZ82100844
- Title
- Notebook for Anna Magdalena Bach (1725) [Excerpts]: No. 27, Sonata in E-Flat Major, Wq. 65 No. 7 [Attrib. J.S. Bach's BWV Anh. 129]
- Artist
- Carl Philipp Emanuel Bach
- CopyrightID (CopyrightChains transaction hash)
0x8abe75d0ded72c3727785965e581140cbd35dd4b910227f7820539b74259bd8a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:a2d6359406890c93967c8536d0130bcbb65367b432b261a27d362cce067f4745- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITBZ82100844
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Notebook for Anna Magdalena Bach (1725) [Excerpts]: No. 27, Sonata in E-Flat Major, Wq. 65 No. 7 [Attrib. J.S. Bach's BWV Anh. 129] · Machine-readable JSON-LD