ISRC GBUM71902381
Verified recording
GBUM71902381 is “How Do You Sleep?” by Sam Smith,
registered on the CopyrightChains blockchain with CopyrightID
0xb802b5fd9242264f4ff18ff61aaa3c9c5ead34f7fee76a37ab6f92d8df78676b and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM71902381.
Recording identifiers
- ISRC
- GBUM71902381
- Title
- How Do You Sleep?
- Artist
- Sam Smith
- CopyrightID (CopyrightChains transaction hash)
0xb802b5fd9242264f4ff18ff61aaa3c9c5ead34f7fee76a37ab6f92d8df78676b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:c3cce28bd5e94caff226584823422607f58cdfdc52cbe4677fc3e8db5eef7490- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM71902381
- Bitcoin block existence check
- https://blockstream.info/api/block/953513