ISRC QZ4JJ1605004
Verified recording
QZ4JJ1605004 is “Up & Down” by Sorrow,
registered on the CopyrightChains blockchain with CopyrightID
0xbd25dace1c3bbd0c07f54ddb7034674aa885584f9bc8f5c10e9fdd230beb1233 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ4JJ1605004.
Recording identifiers
- ISRC
- QZ4JJ1605004
- Title
- Up & Down
- Artist
- Sorrow
- CopyrightID (CopyrightChains transaction hash)
0xbd25dace1c3bbd0c07f54ddb7034674aa885584f9bc8f5c10e9fdd230beb1233
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:04ce485b809a584744d6de456d96588d483af3d09c002a078b66002cf0be6071- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ4JJ1605004
- Bitcoin block existence check
- https://blockstream.info/api/block/960397