ISRC GBLGL1277898
Verified recording
GBLGL1277898 is “Mam'selle” by Johnny Hartman,
registered on the CopyrightChains blockchain with CopyrightID
0x61f6ac4d2a6a2ec29978d6cc40b7d421a7047bd19f8ec230000ff357f6505920 and independently timestamped
in Bitcoin block 960294 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLGL1277898.
Recording identifiers
- ISRC
- GBLGL1277898
- Title
- Mam'selle
- Artist
- Johnny Hartman
- CopyrightID (CopyrightChains transaction hash)
0x61f6ac4d2a6a2ec29978d6cc40b7d421a7047bd19f8ec230000ff357f6505920
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:46:00+00:00
- Bitcoin block
- 960294
- Canonical record hash
sha256:e901b2e2e96535b946230aab7be19f97933daa5104c091062801157358a667a5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLGL1277898
- Bitcoin block existence check
- https://blockstream.info/api/block/960294