ISRC USUM71306904
Verified recording
USUM71306904 is “Calls” by Robert Glasper,
registered on the CopyrightChains blockchain with CopyrightID
0xef39ad73b6df73750e398d0e94ce46212c4da2cc06473c06549d7488b36cfdaa and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71306904.
Recording identifiers
- ISRC
- USUM71306904
- Title
- Calls
- Artist
- Robert Glasper
- CopyrightID (CopyrightChains transaction hash)
0xef39ad73b6df73750e398d0e94ce46212c4da2cc06473c06549d7488b36cfdaa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:829b11e930c2fd8cfc3779604a30bac58dc6852ce0ed72abc0f54cdffd748a89- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71306904
- Bitcoin block existence check
- https://blockstream.info/api/block/953513