ISRC DEF059903213
Verified recording
DEF059903213 is “Piano Concerto No. 1 In E Minor, Op. 11: 3. Rondo (Vivace)” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x68de28bd41f07b158d29efc3fffb85aca5685d72bb836ea9704cea63c93235db and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059903213.
Recording identifiers
- ISRC
- DEF059903213
- Title
- Piano Concerto No. 1 In E Minor, Op. 11: 3. Rondo (Vivace)
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x68de28bd41f07b158d29efc3fffb85aca5685d72bb836ea9704cea63c93235db
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:fc445bf44779c236f59e9364ff6047cc3b7ff85f17b1a8b70d6b2b52994736d3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059903213
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Piano Concerto No. 1 In E Minor, Op. 11: 3. Rondo (Vivace) · Machine-readable JSON-LD