ISRC ITBZ82100837
Verified recording
ITBZ82100837 is “Notebook for Anna Magdalena Bach (1725) [Excerpts]: No. 20a, So oft ich meine Tobackspfeife, BWV 515 [Arr. for Piano]” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x0b7a49dd28272436d791c4675a4b265d4aa3ba0580c5c69eb83b806cff6da772 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/ITBZ82100837.
Recording identifiers
- ISRC
- ITBZ82100837
- Title
- Notebook for Anna Magdalena Bach (1725) [Excerpts]: No. 20a, So oft ich meine Tobackspfeife, BWV 515 [Arr. for Piano]
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x0b7a49dd28272436d791c4675a4b265d4aa3ba0580c5c69eb83b806cff6da772
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:787e4eeed5aa0659a9f5c7da3a3de2f50bc7be649fd6944452ddabaaedf779e0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITBZ82100837
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Notebook for Anna Magdalena Bach (1725) [Excerpts]: No. 20a, So oft ich meine Tobackspfeife, BWV 515 [Arr. for Piano] · Machine-readable JSON-LD