ISRC DEN962201040
Verified recording
DEN962201040 is “Impromptu No. 1 in A-Flat Major, Op. 29 - Live” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x672c09d9658e13e99c6c0f253e70cf406b1b52ec72c9f0841272758d94218871 and independently timestamped
in Bitcoin block 959144 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962201040.
Recording identifiers
- ISRC
- DEN962201040
- Title
- Impromptu No. 1 in A-Flat Major, Op. 29 - Live
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x672c09d9658e13e99c6c0f253e70cf406b1b52ec72c9f0841272758d94218871
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T15:38:35+00:00
- Bitcoin block
- 959144
- Canonical record hash
sha256:a38e485b542dd3e84ec5b4b583a097a11955598ee3e45f6b8eca4ff942001b23- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962201040
- Bitcoin block existence check
- https://blockstream.info/api/block/959144
Full record
Track page: Impromptu No. 1 in A-Flat Major, Op. 29 - Live · Machine-readable JSON-LD