ISRC USUM71503461
Verified recording
USUM71503461 is “Contact” by Leonard Nimoy,
registered on the CopyrightChains blockchain with CopyrightID
0x2b0c370a9f18ff9ac24f9d8f6d1f9e3d6ad54af0fc2dae25cd862c932a5a3628 and independently timestamped
in Bitcoin block 960276 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71503461.
Recording identifiers
- ISRC
- USUM71503461
- Title
- Contact
- Artist
- Leonard Nimoy
- CopyrightID (CopyrightChains transaction hash)
0x2b0c370a9f18ff9ac24f9d8f6d1f9e3d6ad54af0fc2dae25cd862c932a5a3628
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T16:01:17+00:00
- Bitcoin block
- 960276
- Canonical record hash
sha256:db2d901a6606a072da28a4376bf65ecae0b4d8874b7c00a702d8d0b5dfd702a5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71503461
- Bitcoin block existence check
- https://blockstream.info/api/block/960276