ISRC GBLLH1542201
Verified recording
GBLLH1542201 is “Five Days that Changed the World: I. Thursday 29 March 1455: The Invention of Printing” by Bob Chilcott,
registered on the CopyrightChains blockchain with CopyrightID
0xe747ce2b96100881a8367fffc08ce3cf60984c889159401bdbf0b4e63b97680c and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLH1542201.
Recording identifiers
- ISRC
- GBLLH1542201
- Title
- Five Days that Changed the World: I. Thursday 29 March 1455: The Invention of Printing
- Artist
- Bob Chilcott
- CopyrightID (CopyrightChains transaction hash)
0xe747ce2b96100881a8367fffc08ce3cf60984c889159401bdbf0b4e63b97680c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:16d2238d40372470f602d2c9c5b4e8a5b36fb5f62f471e5c3060ee3b829f0563- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLH1542201
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: Five Days that Changed the World: I. Thursday 29 March 1455: The Invention of Printing · Machine-readable JSON-LD