ISRC USSM19603458
Verified recording
USSM19603458 is “IF ONCE A WIDOW” by Brian May,
registered on the CopyrightChains blockchain with CopyrightID
0x7ee89e388f88c218a9d78382834845521e96f79e624d3b782c79a6c9c2d7eee3 and independently timestamped
in Bitcoin block 960254 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603458.
Recording identifiers
- ISRC
- USSM19603458
- Title
- IF ONCE A WIDOW
- Artist
- Brian May
- CopyrightID (CopyrightChains transaction hash)
0x7ee89e388f88c218a9d78382834845521e96f79e624d3b782c79a6c9c2d7eee3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:06:10+00:00
- Bitcoin block
- 960254
- Canonical record hash
sha256:d8a742ae01ea722fab6d27f7bf2e7b213b22053cdccac38e223421aa55cb13f8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19603458
- Bitcoin block existence check
- https://blockstream.info/api/block/960254