ISRC GBUM70708261

Verified recording

GBUM70708261 is “Bernstein: Somewhere” by Leonard Bernstein, registered on the CopyrightChains blockchain with CopyrightID 0x34a2249bb7eb0cb153e63f1b81fb2739fc4c1b1f043d4e73d8c91e52112f3d12 and independently timestamped in Bitcoin block 960105 on 2026-07-29. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM70708261.

Recording identifiers

ISRC
GBUM70708261
Title
Bernstein: Somewhere
Artist
Leonard Bernstein
CopyrightID (CopyrightChains transaction hash)
0x34a2249bb7eb0cb153e63f1b81fb2739fc4c1b1f043d4e73d8c91e52112f3d12

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-29T12:35:17+00:00
Bitcoin block
960105
Canonical record hash
sha256:0b94e35d5102529074e477877b390dc3c68ad64d7dfb6e903197312fd2cda1e2
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM70708261
Bitcoin block existence check
https://blockstream.info/api/block/960105

Full record

Track page: Bernstein: Somewhere · Machine-readable JSON-LD