ISRC GBAJY0836020
Verified recording
GBAJY0836020 is “Waltz in F-Sharp Minor "Valse mélancolique", KK Ib/7 (Attrib. Doubtful)” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x8c30e5ca9094b360be6ee96b9597f512f3d256b2bc7a93e6e54997a5aa8eeeda and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY0836020.
Recording identifiers
- ISRC
- GBAJY0836020
- Title
- Waltz in F-Sharp Minor "Valse mélancolique", KK Ib/7 (Attrib. Doubtful)
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x8c30e5ca9094b360be6ee96b9597f512f3d256b2bc7a93e6e54997a5aa8eeeda
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:c47f75e5987f5dec81db6ca697d71f3a097818a87ca9c8a3f5a29da732269eb6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY0836020
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Waltz in F-Sharp Minor "Valse mélancolique", KK Ib/7 (Attrib. Doubtful) · Machine-readable JSON-LD