ISRC DEA800115674
Verified recording
DEA800115674 is “Chopin: Waltz No. 9 in A-Flat Major, Op. Posth. 69 No. 1 "Farewell"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xa7cf99bbbe2cceeec0558dbf814c9ff858c87633beb0b4307e9d5be53a22cd90 and independently timestamped
in Bitcoin block 959159 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA800115674.
Recording identifiers
- ISRC
- DEA800115674
- Title
- Chopin: Waltz No. 9 in A-Flat Major, Op. Posth. 69 No. 1 "Farewell"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xa7cf99bbbe2cceeec0558dbf814c9ff858c87633beb0b4307e9d5be53a22cd90
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T17:48:40+00:00
- Bitcoin block
- 959159
- Canonical record hash
sha256:f95c9a762962c4550c9468f9e48808326ba1febf4909b5eabfc40b90843cb4d6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA800115674
- Bitcoin block existence check
- https://blockstream.info/api/block/959159
Full record
Track page: Chopin: Waltz No. 9 in A-Flat Major, Op. Posth. 69 No. 1 "Farewell" · Machine-readable JSON-LD