ISRC SEWDL0702007
Verified recording
SEWDL0702007 is “String Quartet No. 53 in D Major, Hob. III:63, Op. 64:5, "The Lark": II. Adagio cantabile” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x134f203a772307f64b3f19b076ee1dc6f7ba2f3bcf9d3f485b4e203862ce5b98 and independently timestamped
in Bitcoin block 959144 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0702007.
Recording identifiers
- ISRC
- SEWDL0702007
- Title
- String Quartet No. 53 in D Major, Hob. III:63, Op. 64:5, "The Lark": II. Adagio cantabile
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x134f203a772307f64b3f19b076ee1dc6f7ba2f3bcf9d3f485b4e203862ce5b98
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T15:38:35+00:00
- Bitcoin block
- 959144
- Canonical record hash
sha256:008a18cc209e684a4dccaa1d7a7c96369d39da395b74fc8ddec76795d8114926- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0702007
- Bitcoin block existence check
- https://blockstream.info/api/block/959144
Full record
Track page: String Quartet No. 53 in D Major, Hob. III:63, Op. 64:5, "The Lark": II. Adagio cantabile · Machine-readable JSON-LD