ISRC GBUM71400953
Verified recording
GBUM71400953 is “How Will I Know” by Sam Smith,
registered on the CopyrightChains blockchain with CopyrightID
0x8a431c69c4f11c06c1e2c50a33799dab55d0a0404c14b6e7dfcccaf5abefb877 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/GBUM71400953.
Recording identifiers
- ISRC
- GBUM71400953
- Title
- How Will I Know
- Artist
- Sam Smith
- CopyrightID (CopyrightChains transaction hash)
0x8a431c69c4f11c06c1e2c50a33799dab55d0a0404c14b6e7dfcccaf5abefb877
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:d63ddb7fdc12ce587ecebb5c227d2a915a3a08088dc0a7728c5499290b272402- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM71400953
- Bitcoin block existence check
- https://blockstream.info/api/block/953513