ISRC DEF059503490

Verified recording

DEF059503490 is “Sérénade mélancolique in B-Flat Minor, Op. 26” by Pyotr Ilyich Tchaikovsky, registered on the CopyrightChains blockchain with CopyrightID 0x1a5fac2360d85ae24b717e288a817b8454cdd082d3c35a36d582aed148d158d1 and independently timestamped in Bitcoin block 960229 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059503490.

Recording identifiers

ISRC
DEF059503490
Title
Sérénade mélancolique in B-Flat Minor, Op. 26
Artist
Pyotr Ilyich Tchaikovsky
CopyrightID (CopyrightChains transaction hash)
0x1a5fac2360d85ae24b717e288a817b8454cdd082d3c35a36d582aed148d158d1

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T08:30:10+00:00
Bitcoin block
960229
Canonical record hash
sha256:58fe278d7073171571621027175416380ef9876a874709ee1b03f9cc320cb8cf
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059503490
Bitcoin block existence check
https://blockstream.info/api/block/960229

Full record

Track page: Sérénade mélancolique in B-Flat Minor, Op. 26 · Machine-readable JSON-LD