ISRC DEF056330111
Verified recording
DEF056330111 is “Musical Offering, BWV 1079: Canon a 2 (Quaerendo invenietis) Fassung B” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x78534c6275062cceb7d315d9cde4f5f53ff4e42606f05ef38567d5ce9ddd0d63 and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056330111.
Recording identifiers
- ISRC
- DEF056330111
- Title
- Musical Offering, BWV 1079: Canon a 2 (Quaerendo invenietis) Fassung B
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x78534c6275062cceb7d315d9cde4f5f53ff4e42606f05ef38567d5ce9ddd0d63
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:ea15b08aac9cedbae8cf3819d6c551eedcabe102a40190054015e2f444d49bcc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056330111
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Musical Offering, BWV 1079: Canon a 2 (Quaerendo invenietis) Fassung B · Machine-readable JSON-LD