ISRC US3M59454803

Verified recording

US3M59454803 is “That Frank” by Stephen Sondheim, registered on the CopyrightChains blockchain with CopyrightID 0xb48eb38689f83f63df8744bd9850929533376151aea826a2e447ffe132554891 and independently timestamped in Bitcoin block 956304 on 2026-07-02. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3M59454803.

Recording identifiers

ISRC
US3M59454803
Title
That Frank
Artist
Stephen Sondheim
CopyrightID (CopyrightChains transaction hash)
0xb48eb38689f83f63df8744bd9850929533376151aea826a2e447ffe132554891

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08+00:00
Bitcoin block
956304
Canonical record hash
sha256:a3830a9a82bdad95ee12c7c3dd041bf961e63ce6e24d1d24c8248e59f25bce8d
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3M59454803
Bitcoin block existence check
https://blockstream.info/api/block/956304

Full record

Track page: That Frank · Machine-readable JSON-LD