ISRC QZ5CV1804226
Verified recording
QZ5CV1804226 is “Upstream” by Sara Hart,
registered on the CopyrightChains blockchain with CopyrightID
0xb44b6133aad56d393a1004f43678f5f898112a78f4df5c954145f1b2a139bc00 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ5CV1804226.
Recording identifiers
- ISRC
- QZ5CV1804226
- Title
- Upstream
- Artist
- Sara Hart
- CopyrightID (CopyrightChains transaction hash)
0xb44b6133aad56d393a1004f43678f5f898112a78f4df5c954145f1b2a139bc00
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:98cb9cf3da9f48a3fc1ee2283162d8d08a679f838ea741b34239db0a90a6972a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ5CV1804226
- Bitcoin block existence check
- https://blockstream.info/api/block/960448