ISRC BCZZU2100010
Verified recording
BCZZU2100010 is “On Fleek” by Gustavo Koch,
registered on the CopyrightChains blockchain with CopyrightID
0x7e7803159bccfeeca71796934b7287d1e6c2f1fa66a8bb703630dee95b9fd693 and independently timestamped
in Bitcoin block 960291 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BCZZU2100010.
Recording identifiers
- ISRC
- BCZZU2100010
- Title
- On Fleek
- Artist
- Gustavo Koch
- CopyrightID (CopyrightChains transaction hash)
0x7e7803159bccfeeca71796934b7287d1e6c2f1fa66a8bb703630dee95b9fd693
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:23:33+00:00
- Bitcoin block
- 960291
- Canonical record hash
sha256:6d270664e24f0ddf350e16b4d4086c2f506a8af2b4dd5ae1f9a87341829fe1e4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BCZZU2100010
- Bitcoin block existence check
- https://blockstream.info/api/block/960291