ISRC DEB201279222
Verified recording
DEB201279222 is “O Welt, ich muss dich lassen (arr. M. Praetorius for vocal ensemble)” by Heinrich Isaac,
registered on the CopyrightChains blockchain with CopyrightID
0xdf5b496e011c7b59a1f911b023b704c0f6f83c86c1bc365f6fe45d292e3adb60 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB201279222.
Recording identifiers
- ISRC
- DEB201279222
- Title
- O Welt, ich muss dich lassen (arr. M. Praetorius for vocal ensemble)
- Artist
- Heinrich Isaac
- CopyrightID (CopyrightChains transaction hash)
0xdf5b496e011c7b59a1f911b023b704c0f6f83c86c1bc365f6fe45d292e3adb60
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:c018a06843a20d3ad6eb36db0ce520d3c0b72e5609bfea710470618a91c22326- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB201279222
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: O Welt, ich muss dich lassen (arr. M. Praetorius for vocal ensemble) · Machine-readable JSON-LD