ISRC DEU921242501
Verified recording
DEU921242501 is “Weinen, Klagen, Sorgen, Zagen, BWV 12: Sinfonia” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x3f9a66c70d64eaf08f45069fb6a084a4ecabe63a1edd9550697c35ae847a28d5 and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921242501.
Recording identifiers
- ISRC
- DEU921242501
- Title
- Weinen, Klagen, Sorgen, Zagen, BWV 12: Sinfonia
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x3f9a66c70d64eaf08f45069fb6a084a4ecabe63a1edd9550697c35ae847a28d5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:24514abb9787fd4d0e05c1d5e2b27b07f2da43dea400c9e98c32cd32bfa7af72- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921242501
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: Weinen, Klagen, Sorgen, Zagen, BWV 12: Sinfonia · Machine-readable JSON-LD