ISRC USUM71713673
Verified recording
USUM71713673 is “Holiday” by Quality Control,
registered on the CopyrightChains blockchain with CopyrightID
0x50335822a4f2144fe4c08d5f70bd1d73ceb9e878b5ea8bb56d7e44fa44a4142e and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71713673.
Recording identifiers
- ISRC
- USUM71713673
- Title
- Holiday
- Artist
- Quality Control
- CopyrightID (CopyrightChains transaction hash)
0x50335822a4f2144fe4c08d5f70bd1d73ceb9e878b5ea8bb56d7e44fa44a4142e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:680dfa87716b20a5c74627bcc104d0f3dbf6dfed436f3d310518a43bf6b03267- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71713673
- Bitcoin block existence check
- https://blockstream.info/api/block/953515