ISRC TCAGD2298621
Verified recording
TCAGD2298621 is “Que Importa” by Hans el Oso,
registered on the CopyrightChains blockchain with CopyrightID
0x6ce6fdbd5ab91e09190dd637242f56c2a99726232cdb0c79b9004c294b562113 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGD2298621.
Recording identifiers
- ISRC
- TCAGD2298621
- Title
- Que Importa
- Artist
- Hans el Oso
- CopyrightID (CopyrightChains transaction hash)
0x6ce6fdbd5ab91e09190dd637242f56c2a99726232cdb0c79b9004c294b562113
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:f42cd2d307e9489f5ef63b602b68f243b4f6d0f769d34a2299585219a5c2807b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGD2298621
- Bitcoin block existence check
- https://blockstream.info/api/block/956304