ISRC GBLWD1001703

Verified recording

GBLWD1001703 is “Mascarade Suite: I. Holberg-Ouverture. Allegro moderato” by Johan Halvorsen, registered on the CopyrightChains blockchain with CopyrightID 0x15e1001f9e7aba4d5ea63aae25548301cbc26d14b7d5ddc5e4d45ca05b4d7169 and independently timestamped in Bitcoin block 960494 on 2026-08-01. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1001703.

Recording identifiers

ISRC
GBLWD1001703
Title
Mascarade Suite: I. Holberg-Ouverture. Allegro moderato
Artist
Johan Halvorsen
CopyrightID (CopyrightChains transaction hash)
0x15e1001f9e7aba4d5ea63aae25548301cbc26d14b7d5ddc5e4d45ca05b4d7169

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-08-01T01:44:32+00:00
Bitcoin block
960494
Canonical record hash
sha256:5979d9528e714afd3382fb4a4025faaf4c1bcb6e52d8d5a23b2ed8a4ef2fb2ce
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1001703
Bitcoin block existence check
https://blockstream.info/api/block/960494

Full record

Track page: Mascarade Suite: I. Holberg-Ouverture. Allegro moderato · Machine-readable JSON-LD