ISRC DEF059602980
Verified recording
DEF059602980 is “String Quartet No. 1 in D Major, Op. 11, TH 111 - Orchestral Version: II. Andante cantabile” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x72d0dcebfaf7f51ad0790683b69addaf3b8d829f142cb648c223b0de47f11364 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059602980.
Recording identifiers
- ISRC
- DEF059602980
- Title
- String Quartet No. 1 in D Major, Op. 11, TH 111 - Orchestral Version: II. Andante cantabile
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x72d0dcebfaf7f51ad0790683b69addaf3b8d829f142cb648c223b0de47f11364
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:3a07a5dd689cfcd409d071a0588a63a4effd180dc258d76af02b4530349e28ff- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059602980
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: String Quartet No. 1 in D Major, Op. 11, TH 111 - Orchestral Version: II. Andante cantabile · Machine-readable JSON-LD