ISRC ITBZ82100845
Verified recording
ITBZ82100845 is “Notebook for Anna Magdalena Bach (1725) [Excerpts]: No. 28, Polonaise in G Major, BWV Anh. 130” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x81854345f8a9301311fe6dedd20def9d35cc8d4c14b7f1aa4a0b4fd0166cf6e2 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/ITBZ82100845.
Recording identifiers
- ISRC
- ITBZ82100845
- Title
- Notebook for Anna Magdalena Bach (1725) [Excerpts]: No. 28, Polonaise in G Major, BWV Anh. 130
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x81854345f8a9301311fe6dedd20def9d35cc8d4c14b7f1aa4a0b4fd0166cf6e2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:8a4ef0e602b778ee23f4dea64756d13de5fbd6fd80ae5a42d29d6d2a67af63eb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITBZ82100845
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Notebook for Anna Magdalena Bach (1725) [Excerpts]: No. 28, Polonaise in G Major, BWV Anh. 130 · Machine-readable JSON-LD