ISRC ITD542101280
Verified recording
ITD542101280 is “String Quartet in F Major, Op. 3 No. 5: II. Andante cantabile (Serenade)” by Roman Hoffstetter,
registered on the CopyrightChains blockchain with CopyrightID
0x9db78fbd786b0d2ce75002007b859975fe9b2d82fe1bd36819731aa7ad6048bb and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITD542101280.
Recording identifiers
- ISRC
- ITD542101280
- Title
- String Quartet in F Major, Op. 3 No. 5: II. Andante cantabile (Serenade)
- Artist
- Roman Hoffstetter
- CopyrightID (CopyrightChains transaction hash)
0x9db78fbd786b0d2ce75002007b859975fe9b2d82fe1bd36819731aa7ad6048bb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:20bccd241bffce06fb5198a24db35197523659e07d07127c1838b70588c3be94- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITD542101280
- Bitcoin block existence check
- https://blockstream.info/api/block/953515
Full record
Track page: String Quartet in F Major, Op. 3 No. 5: II. Andante cantabile (Serenade) · Machine-readable JSON-LD