ISRC US5941410323

Verified recording

US5941410323 is “Opus” by Ryuichi Sakamoto, registered on the CopyrightChains blockchain with CopyrightID 0x866518b281aeae9bad450aa8111a420848f4765d6dcdc5822cc3e2c5ff52a40c 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/US5941410323.

Recording identifiers

ISRC
US5941410323
Title
Opus
Artist
Ryuichi Sakamoto
CopyrightID (CopyrightChains transaction hash)
0x866518b281aeae9bad450aa8111a420848f4765d6dcdc5822cc3e2c5ff52a40c

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07+00:00
Bitcoin block
953513
Canonical record hash
sha256:7a908e54c635d09295085ceb55bdbbe66da54ba83acf7eea4d211e5795356e56
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US5941410323
Bitcoin block existence check
https://blockstream.info/api/block/953513

Full record

Track page: Opus · Machine-readable JSON-LD