ISRC US3M59454804
Verified recording
US3M59454804 is “First Transition” by Stephen Sondheim,
registered on the CopyrightChains blockchain with CopyrightID
0xcc592573b7f582dafe2fdfc89e86bf3108aebad1c9bb5cecdbc887f584517dd2 and independently timestamped
in Bitcoin block 957073 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3M59454804.
Recording identifiers
- ISRC
- US3M59454804
- Title
- First Transition
- Artist
- Stephen Sondheim
- CopyrightID (CopyrightChains transaction hash)
0xcc592573b7f582dafe2fdfc89e86bf3108aebad1c9bb5cecdbc887f584517dd2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T18:39:05+00:00
- Bitcoin block
- 957073
- Canonical record hash
sha256:6ff78ba398d81cbd9c7dfac70944a6cca2b6eb73d05efd37d1beddf655ade2ed- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3M59454804
- Bitcoin block existence check
- https://blockstream.info/api/block/957073