ISRC GBBBB2014211
Verified recording
GBBBB2014211 is “You must believe in Spring (from "Les demoiselles de Rochefort")” by Michel Legrand,
registered on the CopyrightChains blockchain with CopyrightID
0xf8e83615f25e9ce82c817d1a150a4352a7b9424488106a2e36f7b1bfd119e21f and independently timestamped
in Bitcoin block 960198 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBB2014211.
Recording identifiers
- ISRC
- GBBBB2014211
- Title
- You must believe in Spring (from "Les demoiselles de Rochefort")
- Artist
- Michel Legrand
- CopyrightID (CopyrightChains transaction hash)
0xf8e83615f25e9ce82c817d1a150a4352a7b9424488106a2e36f7b1bfd119e21f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T02:21:55+00:00
- Bitcoin block
- 960198
- Canonical record hash
sha256:7e8b84385f5d014a4bb85fcfabe93b8cfde731b82f4f8046f10bc305073ec675- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBB2014211
- Bitcoin block existence check
- https://blockstream.info/api/block/960198
Full record
Track page: You must believe in Spring (from "Les demoiselles de Rochefort") · Machine-readable JSON-LD