ISRC USBN29300084
Verified recording
USBN29300084 is “Blackjack” by Donald Byrd,
registered on the CopyrightChains blockchain with CopyrightID
0xfc1b1bed11ce206ea1ea8690cc97ff7cdaf232e5d2d75a7468b0f46a63026257 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN29300084.
Recording identifiers
- ISRC
- USBN29300084
- Title
- Blackjack
- Artist
- Donald Byrd
- CopyrightID (CopyrightChains transaction hash)
0xfc1b1bed11ce206ea1ea8690cc97ff7cdaf232e5d2d75a7468b0f46a63026257
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:5a9b0736b01e17cb32837879ec9e3c8f2f312361adbf1c3675636848c7939bf2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBN29300084
- Bitcoin block existence check
- https://blockstream.info/api/block/960138