ISRC GBUM70803357
Verified recording
GBUM70803357 is “Douze Etudes dans les Tons Mineurs, Op. 39: 5. Symphonie - Marche funebre” by Charles-Valentin Alkan,
registered on the CopyrightChains blockchain with CopyrightID
0x666aa3f7c00e7040c26a56acd5d616790951cb6acfdc7a942d049ef2c2af3de7 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM70803357.
Recording identifiers
- ISRC
- GBUM70803357
- Title
- Douze Etudes dans les Tons Mineurs, Op. 39: 5. Symphonie - Marche funebre
- Artist
- Charles-Valentin Alkan
- CopyrightID (CopyrightChains transaction hash)
0x666aa3f7c00e7040c26a56acd5d616790951cb6acfdc7a942d049ef2c2af3de7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:81ddc760f41ab338a69e3a0336658b36d1b223e5979853846b9715ca066d9a25- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM70803357
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Douze Etudes dans les Tons Mineurs, Op. 39: 5. Symphonie - Marche funebre · Machine-readable JSON-LD