ISRC USUM71505133
Verified recording
USUM71505133 is “Cycles” by Leonard Nimoy,
registered on the CopyrightChains blockchain with CopyrightID
0x6b2fa1dc56af1ffb648ffc6cd85a21aadd17113b85b36c7146b071b12eff1411 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71505133.
Recording identifiers
- ISRC
- USUM71505133
- Title
- Cycles
- Artist
- Leonard Nimoy
- CopyrightID (CopyrightChains transaction hash)
0x6b2fa1dc56af1ffb648ffc6cd85a21aadd17113b85b36c7146b071b12eff1411
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:d52afdae2782eba7479b71b6c2c04808218dcfcefed44c9280a8541cbadfa2bf- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71505133
- Bitcoin block existence check
- https://blockstream.info/api/block/960138