ISRC GBF079540815
Verified recording
GBF079540815 is “Waltz No. 15 in E, Op. posth.” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x9e83f1a604906a60b6d89ce5e3214d7ec5aa1b0b1f50e2a0fb3fc95ffd6b0765 and independently timestamped
in Bitcoin block 959128 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079540815.
Recording identifiers
- ISRC
- GBF079540815
- Title
- Waltz No. 15 in E, Op. posth.
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x9e83f1a604906a60b6d89ce5e3214d7ec5aa1b0b1f50e2a0fb3fc95ffd6b0765
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T12:33:25+00:00
- Bitcoin block
- 959128
- Canonical record hash
sha256:86da6f022769d0dd02b9a299e45cff3bb68c64670abbda2b67d87b000bf4f26b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079540815
- Bitcoin block existence check
- https://blockstream.info/api/block/959128
Full record
Track page: Waltz No. 15 in E, Op. posth. · Machine-readable JSON-LD