ISRC US6W62119814

Verified recording

US6W62119814 is “Finishing the Hat” by Stephen Sondheim, registered on the CopyrightChains blockchain with CopyrightID 0x13c957b6c8c741a296cb07d351c8a6206fde2901516386a4f9659d506fbb10d0 and independently timestamped in Bitcoin block 960410 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US6W62119814.

Recording identifiers

ISRC
US6W62119814
Title
Finishing the Hat
Artist
Stephen Sondheim
CopyrightID (CopyrightChains transaction hash)
0x13c957b6c8c741a296cb07d351c8a6206fde2901516386a4f9659d506fbb10d0

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T13:50:38+00:00
Bitcoin block
960410
Canonical record hash
sha256:edc168d5b68a0a49cff8dfd536b31608e373af428e972c13d5c3d20d99e01880
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US6W62119814
Bitcoin block existence check
https://blockstream.info/api/block/960410

Full record

Track page: Finishing the Hat · Machine-readable JSON-LD