ISRC NOCJB1401506
Verified recording
NOCJB1401506 is “Xerces” by John Mackey,
registered on the CopyrightChains blockchain with CopyrightID
0xef49690a7ccbbc3c4d81134a4c410d1fd9fae509b12f83c08688be209b2dc219 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOCJB1401506.
Recording identifiers
- ISRC
- NOCJB1401506
- Title
- Xerces
- Artist
- John Mackey
- CopyrightID (CopyrightChains transaction hash)
0xef49690a7ccbbc3c4d81134a4c410d1fd9fae509b12f83c08688be209b2dc219
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:3dc423db58c6aef5c5ee8f9c8c0d502c2965625f2515370c80539db7d011b105- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOCJB1401506
- Bitcoin block existence check
- https://blockstream.info/api/block/960397