ISRC GBURF1100175
Verified recording
GBURF1100175 is “Barbara Song” by Lotte Lenya,
registered on the CopyrightChains blockchain with CopyrightID
0x9da93fc691277b74138ff5e30b68c0e13c816d74d6c8e15f0bd4f84959a4a7f3 and independently timestamped
in Bitcoin block 960288 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBURF1100175.
Recording identifiers
- ISRC
- GBURF1100175
- Title
- Barbara Song
- Artist
- Lotte Lenya
- CopyrightID (CopyrightChains transaction hash)
0x9da93fc691277b74138ff5e30b68c0e13c816d74d6c8e15f0bd4f84959a4a7f3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:41:38+00:00
- Bitcoin block
- 960288
- Canonical record hash
sha256:c4ba4d17fc9b1a452f8094869d96d07a8c4ef83cf0f6694779d7ab406d410f85- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBURF1100175
- Bitcoin block existence check
- https://blockstream.info/api/block/960288