ISRC GBUM71703744
Verified recording
GBUM71703744 is “Say It First” by Sam Smith,
registered on the CopyrightChains blockchain with CopyrightID
0x71f0c9a7fceac32bd68f7f39b8681faaf6844c2ad31696eaae5babeb40fab83b 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/GBUM71703744.
Recording identifiers
- ISRC
- GBUM71703744
- Title
- Say It First
- Artist
- Sam Smith
- CopyrightID (CopyrightChains transaction hash)
0x71f0c9a7fceac32bd68f7f39b8681faaf6844c2ad31696eaae5babeb40fab83b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:33411edd7374ceb9fc964c1b02798ef65c8eb33919f0f4aa25e8e7ec45b776ad- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM71703744
- Bitcoin block existence check
- https://blockstream.info/api/block/953513