ISRC NLSB72300127
Verified recording
NLSB72300127 is “Missa Maria zart Qui tollis II” by Jacob Obrecht,
registered on the CopyrightChains blockchain with CopyrightID
0xbf8c62e4fcb32aa50eef8a7e396eb25ce653b55598c2c06433bac82f1a0bb67a 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/NLSB72300127.
Recording identifiers
- ISRC
- NLSB72300127
- Title
- Missa Maria zart Qui tollis II
- Artist
- Jacob Obrecht
- CopyrightID (CopyrightChains transaction hash)
0xbf8c62e4fcb32aa50eef8a7e396eb25ce653b55598c2c06433bac82f1a0bb67a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:0558833c8e506aca5996484d5c32dd6ec13931e97c1caae0fbd8e6674efcc42c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLSB72300127
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Missa Maria zart Qui tollis II · Machine-readable JSON-LD