ISRC GBCTX1800775
Verified recording
GBCTX1800775 is “Improv - The Fright Watch - Live at the Concertgebouw, Amsterdam, Nov. 23, 1973” by King Crimson,
registered on the CopyrightChains blockchain with CopyrightID
0x97cc99996b8b3c6a2bef18e5b37b8adf3bff9dbb0cad3b9624de2cd11fdb2f48 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCTX1800775.
Recording identifiers
- ISRC
- GBCTX1800775
- Title
- Improv - The Fright Watch - Live at the Concertgebouw, Amsterdam, Nov. 23, 1973
- Artist
- King Crimson
- CopyrightID (CopyrightChains transaction hash)
0x97cc99996b8b3c6a2bef18e5b37b8adf3bff9dbb0cad3b9624de2cd11fdb2f48
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:4166f67b64ef07ca5343868e6533b8427c7708d3e9345719f829af1a0ef22cf1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCTX1800775
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Improv - The Fright Watch - Live at the Concertgebouw, Amsterdam, Nov. 23, 1973 · Machine-readable JSON-LD