ISRC GBSBU1306401
Verified recording
GBSBU1306401 is “Let a Smile Be Your Umbrella” by Roger Wolfe Kahn & His Orchestra,
registered on the CopyrightChains blockchain with CopyrightID
0xc3e6edea5f5d91cfe9101ca17f9972565be54b741262020c2f75ba59fea9d61e and independently timestamped
in Bitcoin block 960207 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSBU1306401.
Recording identifiers
- ISRC
- GBSBU1306401
- Title
- Let a Smile Be Your Umbrella
- Artist
- Roger Wolfe Kahn & His Orchestra
- CopyrightID (CopyrightChains transaction hash)
0xc3e6edea5f5d91cfe9101ca17f9972565be54b741262020c2f75ba59fea9d61e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T04:47:22+00:00
- Bitcoin block
- 960207
- Canonical record hash
sha256:6523618ae2bac6d00b6d1fb088c7a935c9198e2080777e86a606e79a462b4d6d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSBU1306401
- Bitcoin block existence check
- https://blockstream.info/api/block/960207
Full record
Track page: Let a Smile Be Your Umbrella · Machine-readable JSON-LD