ISRC ES25S2300069
Verified recording
ES25S2300069 is “Albumblätter, Op. 39: No. 2, Andante sostenuto” by Hans Sitt,
registered on the CopyrightChains blockchain with CopyrightID
0xc0c2d552a2d69ebadab2bd07d56608b54bc549d08e9f95eb908020b03cb10889 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES25S2300069.
Recording identifiers
- ISRC
- ES25S2300069
- Title
- Albumblätter, Op. 39: No. 2, Andante sostenuto
- Artist
- Hans Sitt
- CopyrightID (CopyrightChains transaction hash)
0xc0c2d552a2d69ebadab2bd07d56608b54bc549d08e9f95eb908020b03cb10889
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:a4a91b9f7f2a19ed80966df5338499f8a4b48f9959e1b805c44861d5a183e1d0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES25S2300069
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Albumblätter, Op. 39: No. 2, Andante sostenuto · Machine-readable JSON-LD