ISRC USUM70766318
Verified recording
USUM70766318 is “Losing Keys” by Jack Johnson,
registered on the CopyrightChains blockchain with CopyrightID
0xcc5899926d6e8046f5896d79b0167741e29decc3548b22054328ffe3f25fae17 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/USUM70766318.
Recording identifiers
- ISRC
- USUM70766318
- Title
- Losing Keys
- Artist
- Jack Johnson
- CopyrightID (CopyrightChains transaction hash)
0xcc5899926d6e8046f5896d79b0167741e29decc3548b22054328ffe3f25fae17
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:6aab2e69bf950b731e8a5ded3765833b4425c26411737d2f97d3262f09915ddd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM70766318
- Bitcoin block existence check
- https://blockstream.info/api/block/953513