ISRC DEU921808821
Verified recording
DEU921808821 is “Serenade for Strings in C Major, Op. 48, TH 48: IV. Finale” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x969b4bdb8d99fccefacf56a0f21e21738aac8eeb1d8d83f70476cce968c9c2b2 and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921808821.
Recording identifiers
- ISRC
- DEU921808821
- Title
- Serenade for Strings in C Major, Op. 48, TH 48: IV. Finale
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x969b4bdb8d99fccefacf56a0f21e21738aac8eeb1d8d83f70476cce968c9c2b2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:4cb63e610cfcd13d8e1f4701aec6ac908fd2a237fd3498bd75538d4309d040d4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921808821
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Serenade for Strings in C Major, Op. 48, TH 48: IV. Finale · Machine-readable JSON-LD