ISRC GBAJU9900140
Verified recording
GBAJU9900140 is “String Quartet, Op. 28” by Anton Webern,
registered on the CopyrightChains blockchain with CopyrightID
0x6fd6fd60b9025cc94e2ed9bbb0d0220ded172d2c3aabd8fe390e1dbcf57a7213 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/GBAJU9900140.
Recording identifiers
- ISRC
- GBAJU9900140
- Title
- String Quartet, Op. 28
- Artist
- Anton Webern
- CopyrightID (CopyrightChains transaction hash)
0x6fd6fd60b9025cc94e2ed9bbb0d0220ded172d2c3aabd8fe390e1dbcf57a7213
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:5ced1850fbfc71ce1444b9cf23b582263013ce5e6c8628e6bf09f3f32de311f5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJU9900140
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: String Quartet, Op. 28 · Machine-readable JSON-LD