ISRC GBUM71503800
Verified recording
GBUM71503800 is “So Sad About Us - Live At The 100 Club, London / 1977” by The Jam,
registered on the CopyrightChains blockchain with CopyrightID
0xaf4a39adfd3cb33cddc00f614632091bbf66735e81e8ff7f2c23d9818024afb7 and independently timestamped
in Bitcoin block 957073 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM71503800.
Recording identifiers
- ISRC
- GBUM71503800
- Title
- So Sad About Us - Live At The 100 Club, London / 1977
- Artist
- The Jam
- CopyrightID (CopyrightChains transaction hash)
0xaf4a39adfd3cb33cddc00f614632091bbf66735e81e8ff7f2c23d9818024afb7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T18:39:05+00:00
- Bitcoin block
- 957073
- Canonical record hash
sha256:baf9997de383d6433955b9fb8c04e3e2bc70b98c54dd9c77eacfa176ba4f6f52- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM71503800
- Bitcoin block existence check
- https://blockstream.info/api/block/957073
Full record
Track page: So Sad About Us - Live At The 100 Club, London / 1977 · Machine-readable JSON-LD