ISRC AUXN21519363
Verified recording
AUXN21519363 is “27 Calibre” by Common Underground,
registered on the CopyrightChains blockchain with CopyrightID
0x6234eedecc8a776b9cf038ac7a49328dd38ece7cf20be228411b950e0d852038 and independently timestamped
in Bitcoin block 960284 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUXN21519363.
Recording identifiers
- ISRC
- AUXN21519363
- Title
- 27 Calibre
- Artist
- Common Underground
- CopyrightID (CopyrightChains transaction hash)
0x6234eedecc8a776b9cf038ac7a49328dd38ece7cf20be228411b950e0d852038
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:23:26+00:00
- Bitcoin block
- 960284
- Canonical record hash
sha256:d5a40561f70cdf3dc37839ffe387952a84b57239cc001103be621ea4c2098da5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUXN21519363
- Bitcoin block existence check
- https://blockstream.info/api/block/960284