ISRC GBAYC1302284

Verified recording

GBAYC1302284 is “Stephen / Arr. Steiner: Sweeney Todd: Grünfink und Nachtigall” by Stephen Sondheim, registered on the CopyrightChains blockchain with CopyrightID 0x976171f8c49459f92ee249ea52026dad7286b827306a3766e2881fcd3b292e79 and independently timestamped in Bitcoin block 957118 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1302284.

Recording identifiers

ISRC
GBAYC1302284
Title
Stephen / Arr. Steiner: Sweeney Todd: Grünfink und Nachtigall
Artist
Stephen Sondheim
CopyrightID (CopyrightChains transaction hash)
0x976171f8c49459f92ee249ea52026dad7286b827306a3766e2881fcd3b292e79

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:fcd92061fc65ff8cf5ea30574b3fbb96755d10630ce4b371fbba3cb246c6069f
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1302284
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: Stephen / Arr. Steiner: Sweeney Todd: Grünfink und Nachtigall · Machine-readable JSON-LD