ISRC DEN961830124
Verified recording
DEN961830124 is “Heut ist, o Mensch, ein grosser Trauertag, BWV 341” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x4b1547ca4514e9d24453463ef54054fe41f9ac9dd882bfb4e313f8c902dce690 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/DEN961830124.
Recording identifiers
- ISRC
- DEN961830124
- Title
- Heut ist, o Mensch, ein grosser Trauertag, BWV 341
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x4b1547ca4514e9d24453463ef54054fe41f9ac9dd882bfb4e313f8c902dce690
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:07023622a1664239a33a82351860a2f1eb0ae5ea82c60645f9e6961c5776a4da- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961830124
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Heut ist, o Mensch, ein grosser Trauertag, BWV 341 · Machine-readable JSON-LD