ISRC USQX91302257
Verified recording
USQX91302257 is “This Time of Year” by John Cullum,
registered on the CopyrightChains blockchain with CopyrightID
0x729e9cf7f4376456a600d8fbb8b55b5da7a2e3211ca5ea9b10f0b729e92f8c22 and independently timestamped
in Bitcoin block 960121 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX91302257.
Recording identifiers
- ISRC
- USQX91302257
- Title
- This Time of Year
- Artist
- John Cullum
- CopyrightID (CopyrightChains transaction hash)
0x729e9cf7f4376456a600d8fbb8b55b5da7a2e3211ca5ea9b10f0b729e92f8c22
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T15:22:21+00:00
- Bitcoin block
- 960121
- Canonical record hash
sha256:9eab81017e9c96f7b724f550d291e002dc56afdbe0b9a69c4beaf2cfa4020a1e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX91302257
- Bitcoin block existence check
- https://blockstream.info/api/block/960121