ISRC GBLWD1108203
Verified recording
GBLWD1108203 is “Fest-Polonaise, Op. 12” by Johan Svendsen,
registered on the CopyrightChains blockchain with CopyrightID
0x3ac2db1f874294b063d0eefc37465293a69a8e41cc09422004cc3ad04426dc0c and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1108203.
Recording identifiers
- ISRC
- GBLWD1108203
- Title
- Fest-Polonaise, Op. 12
- Artist
- Johan Svendsen
- CopyrightID (CopyrightChains transaction hash)
0x3ac2db1f874294b063d0eefc37465293a69a8e41cc09422004cc3ad04426dc0c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:5f767ad3c14b24d980a2d59b2f5b3c253a371fc3a8ce6e6d010e99edd61d46d0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1108203
- Bitcoin block existence check
- https://blockstream.info/api/block/960455
Full record
Track page: Fest-Polonaise, Op. 12 · Machine-readable JSON-LD