ISRC TCAGJ2212213
Verified recording
TCAGJ2212213 is “Hard One” by Gonzalo Rubalcaba,
registered on the CopyrightChains blockchain with CopyrightID
0x7614a77f3b72a9b157d9767ca6e52b90fd265c7cad087897ef76bf2959323547 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGJ2212213.
Recording identifiers
- ISRC
- TCAGJ2212213
- Title
- Hard One
- Artist
- Gonzalo Rubalcaba
- CopyrightID (CopyrightChains transaction hash)
0x7614a77f3b72a9b157d9767ca6e52b90fd265c7cad087897ef76bf2959323547
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:f3a6a11b1f620eaa4714d6615c7962b8f4d210872c9e2b13f7175ddddeb8fab5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGJ2212213
- Bitcoin block existence check
- https://blockstream.info/api/block/956889