ISRC QMUBV1801411

Verified recording

QMUBV1801411 is “George” by John Hartford, registered on the CopyrightChains blockchain with CopyrightID 0x830869f98a35a830725715c2571a16f8f4b79a240e68625fb40b5e7ec4902288 and independently timestamped in Bitcoin block 960448 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMUBV1801411.

Recording identifiers

ISRC
QMUBV1801411
Title
George
Artist
John Hartford
CopyrightID (CopyrightChains transaction hash)
0x830869f98a35a830725715c2571a16f8f4b79a240e68625fb40b5e7ec4902288

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12+00:00
Bitcoin block
960448
Canonical record hash
sha256:a152533b0f890ca69d13966374dbf62fe9ba218d48c28ead838702055806707b
Verification API (seven-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMUBV1801411
Bitcoin block existence check
https://blockstream.info/api/block/960448

Full record

Track page: George · Machine-readable JSON-LD