ISRC QMV8L1419811
Verified recording
QMV8L1419811 is “A Portrait of You at Nico's Grave, Grunewald, Berlin (For Bill K.)” by Jefre Cantu-Ledesma,
registered on the CopyrightChains blockchain with CopyrightID
0x2b6e0253bd845c8edc7e5eba8b2bb1dbb466440ac760fe211badc4847b28dbfe and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMV8L1419811.
Recording identifiers
- ISRC
- QMV8L1419811
- Title
- A Portrait of You at Nico's Grave, Grunewald, Berlin (For Bill K.)
- Artist
- Jefre Cantu-Ledesma
- CopyrightID (CopyrightChains transaction hash)
0x2b6e0253bd845c8edc7e5eba8b2bb1dbb466440ac760fe211badc4847b28dbfe
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:73d39592aa6f2d08893867294baffd07c5de455bc3349a62ca5e655bf15e0d88- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMV8L1419811
- Bitcoin block existence check
- https://blockstream.info/api/block/960321
Full record
Track page: A Portrait of You at Nico's Grave, Grunewald, Berlin (For Bill K.) · Machine-readable JSON-LD