ISRC US3M59454813
Verified recording
US3M59454813 is “Act Two Opening” by Stephen Sondheim,
registered on the CopyrightChains blockchain with CopyrightID
0xb884ff96f16a26b8f09a6d5a372a08c1c3d0bfa0cafe2e4b4728bbeb79850a33 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3M59454813.
Recording identifiers
- ISRC
- US3M59454813
- Title
- Act Two Opening
- Artist
- Stephen Sondheim
- CopyrightID (CopyrightChains transaction hash)
0xb884ff96f16a26b8f09a6d5a372a08c1c3d0bfa0cafe2e4b4728bbeb79850a33
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:4f56997ed8680b5df8f68d8194c7748f6b5cad6d9ba8eefecc9021dcb4ae69d9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3M59454813
- Bitcoin block existence check
- https://blockstream.info/api/block/956889