ISRC QZGWW2045933
Verified recording
QZGWW2045933 is “Superimposed_RGB” by Douglas Holmquist,
registered on the CopyrightChains blockchain with CopyrightID
0xa9a57b6c09d004c2f06b02cbf2f28f6d2c7732c7a1824b91f3f4daa227f30b80 and independently timestamped
in Bitcoin block 957043 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWW2045933.
Recording identifiers
- ISRC
- QZGWW2045933
- Title
- Superimposed_RGB
- Artist
- Douglas Holmquist
- CopyrightID (CopyrightChains transaction hash)
0xa9a57b6c09d004c2f06b02cbf2f28f6d2c7732c7a1824b91f3f4daa227f30b80
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T13:52:39+00:00
- Bitcoin block
- 957043
- Canonical record hash
sha256:508e705ace7d0f9480bb9d58a18b3a4a56dd24f13ded9b1e552866bb328e66c3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWW2045933
- Bitcoin block existence check
- https://blockstream.info/api/block/957043