ISRC GBCTX1800768
Verified recording
GBCTX1800768 is “Book Of Saturday - Live at the Concertgebouw, Amsterdam, Nov. 23, 1973” by King Crimson,
registered on the CopyrightChains blockchain with CopyrightID
0xdb7adb0a99b8b916987a085d552986c7fe8ceca8651fa629d403ea2d5bb96f1d and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCTX1800768.
Recording identifiers
- ISRC
- GBCTX1800768
- Title
- Book Of Saturday - Live at the Concertgebouw, Amsterdam, Nov. 23, 1973
- Artist
- King Crimson
- CopyrightID (CopyrightChains transaction hash)
0xdb7adb0a99b8b916987a085d552986c7fe8ceca8651fa629d403ea2d5bb96f1d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:dcced0825fb890e002f2a1c06dea2410023fae7c8ebd85949316b198fc94dcef- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCTX1800768
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Book Of Saturday - Live at the Concertgebouw, Amsterdam, Nov. 23, 1973 · Machine-readable JSON-LD