ISRC SEWDL6142974
Verified recording
SEWDL6142974 is “12 Pieces, Op. 40: II. Chanson triste” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x7eb857aed05420ac58a8732f2db30efe09ac5c72d561c8480d95f62e9b92cea7 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL6142974.
Recording identifiers
- ISRC
- SEWDL6142974
- Title
- 12 Pieces, Op. 40: II. Chanson triste
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x7eb857aed05420ac58a8732f2db30efe09ac5c72d561c8480d95f62e9b92cea7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:7c3f2e30a0ee97a0f9ebe84ffe079714ed0a64d29afdf6973c866e24591d2566- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL6142974
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 12 Pieces, Op. 40: II. Chanson triste · Machine-readable JSON-LD