ISRC GBCAD1000626
Verified recording
GBCAD1000626 is “I'm Writing You a Letter - John Peel Session, 23 November 1972” by Ten Years After,
registered on the CopyrightChains blockchain with CopyrightID
0xe8a00e24fbf1c9e8b68090a2b794ceac080c21a196309a7291f3ed2b5497df51 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCAD1000626.
Recording identifiers
- ISRC
- GBCAD1000626
- Title
- I'm Writing You a Letter - John Peel Session, 23 November 1972
- Artist
- Ten Years After
- CopyrightID (CopyrightChains transaction hash)
0xe8a00e24fbf1c9e8b68090a2b794ceac080c21a196309a7291f3ed2b5497df51
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:4459883f1708c45ef791f7e44db7bd1b935c843313fed6fe13dbb44647aeb52b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCAD1000626
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: I'm Writing You a Letter - John Peel Session, 23 November 1972 · Machine-readable JSON-LD