ISRC ITUM70900417
Verified recording
ITUM70900417 is “Valse in la bémol majeurOp. posth. (1829-30)” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x783d5f7ecf154da93909b17aefd2aa19a6a8be355703ce667453b4433425e0ef 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/ITUM70900417.
Recording identifiers
- ISRC
- ITUM70900417
- Title
- Valse in la bémol majeurOp. posth. (1829-30)
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x783d5f7ecf154da93909b17aefd2aa19a6a8be355703ce667453b4433425e0ef
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:5b1680692313535b98503eb31172e3b7ca58bec07f1aed90c5d4a13945e09950- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITUM70900417
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Valse in la bémol majeurOp. posth. (1829-30) · Machine-readable JSON-LD