ISRC USUM72403108
Verified recording
USUM72403108 is “Why Do We Sing?” by Sam Tsui,
registered on the CopyrightChains blockchain with CopyrightID
0x59d826af694e789712f0c48d45bb6bcf47e63ee763762917a8a1af0a249564b2 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/USUM72403108.
Recording identifiers
- ISRC
- USUM72403108
- Title
- Why Do We Sing?
- Artist
- Sam Tsui
- CopyrightID (CopyrightChains transaction hash)
0x59d826af694e789712f0c48d45bb6bcf47e63ee763762917a8a1af0a249564b2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:91dd9b90f5438b946bd8520d16f2767258e571cbedd87a400e05587cca563b0c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72403108
- Bitcoin block existence check
- https://blockstream.info/api/block/953515