ISRC GBAYC9700826
Verified recording
GBAYC9700826 is “Symphony No. 2 (1933): First movement: Sostenuto” by Kurt Weill,
registered on the CopyrightChains blockchain with CopyrightID
0x6114bedeb801bf057205d14bcba200749ed89b310e1d030a3a99a6f4ced52672 and independently timestamped
in Bitcoin block 960354 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9700826.
Recording identifiers
- ISRC
- GBAYC9700826
- Title
- Symphony No. 2 (1933): First movement: Sostenuto
- Artist
- Kurt Weill
- CopyrightID (CopyrightChains transaction hash)
0x6114bedeb801bf057205d14bcba200749ed89b310e1d030a3a99a6f4ced52672
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:48:18+00:00
- Bitcoin block
- 960354
- Canonical record hash
sha256:96b65b18de334881bc6cea546e4d7ff214a7b21802f1a24a59e47e627324e0e3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9700826
- Bitcoin block existence check
- https://blockstream.info/api/block/960354
Full record
Track page: Symphony No. 2 (1933): First movement: Sostenuto · Machine-readable JSON-LD