ISRC CA5KR1846976
Verified recording
CA5KR1846976 is “Uno (Tango)” by Osvaldo Fresedo,
registered on the CopyrightChains blockchain with CopyrightID
0x61fe32b13dc9332ee6be46579bf5f243c710621ccbff74b7fcdc83100ba5afa6 and independently timestamped
in Bitcoin block 960348 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA5KR1846976.
Recording identifiers
- ISRC
- CA5KR1846976
- Title
- Uno (Tango)
- Artist
- Osvaldo Fresedo
- CopyrightID (CopyrightChains transaction hash)
0x61fe32b13dc9332ee6be46579bf5f243c710621ccbff74b7fcdc83100ba5afa6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:17:02+00:00
- Bitcoin block
- 960348
- Canonical record hash
sha256:17dd9e8107975e60dd6ca18ce390e8550f558cb0aa27777b127d4d6585f50389- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA5KR1846976
- Bitcoin block existence check
- https://blockstream.info/api/block/960348