ISRC USUM71818953
Verified recording
USUM71818953 is “Barcelona” by Jack & Jack,
registered on the CopyrightChains blockchain with CopyrightID
0xb64b408c7649b668edf2c160b4356b67cec171a3219e16d5c339fb4c0d3fa241 and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71818953.
Recording identifiers
- ISRC
- USUM71818953
- Title
- Barcelona
- Artist
- Jack & Jack
- CopyrightID (CopyrightChains transaction hash)
0xb64b408c7649b668edf2c160b4356b67cec171a3219e16d5c339fb4c0d3fa241
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:e7b17854dc0203396d3689b1c03ec545d7698843a401b8d029c45d1accdbbad6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71818953
- Bitcoin block existence check
- https://blockstream.info/api/block/953515