ISRC USSM18400083
Verified recording
USSM18400083 is “Maria” by Stephen Sondheim,
registered on the CopyrightChains blockchain with CopyrightID
0xebee1dfbad40098a58646763616b70ef866645c192f5859795b6cece54f8971b and independently timestamped
in Bitcoin block 957046 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM18400083.
Recording identifiers
- ISRC
- USSM18400083
- Title
- Maria
- Artist
- Stephen Sondheim
- CopyrightID (CopyrightChains transaction hash)
0xebee1dfbad40098a58646763616b70ef866645c192f5859795b6cece54f8971b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T14:04:01+00:00
- Bitcoin block
- 957046
- Canonical record hash
sha256:80f3e67e957d078fd841f37910af4bc86b7273754f538d57ad45d1b6e8b1bedb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM18400083
- Bitcoin block existence check
- https://blockstream.info/api/block/957046