ISRC QZTAZ2309329
Verified recording
QZTAZ2309329 is “Close Friends” by Tactos Valensuela,
registered on the CopyrightChains blockchain with CopyrightID
0x54e6c5fdec13033c41794a2912de4851d3e94d73eb16024ca105dc668f7a1d32 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAZ2309329.
Recording identifiers
- ISRC
- QZTAZ2309329
- Title
- Close Friends
- Artist
- Tactos Valensuela
- CopyrightID (CopyrightChains transaction hash)
0x54e6c5fdec13033c41794a2912de4851d3e94d73eb16024ca105dc668f7a1d32
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:ee007c6894dbca87b9677397cce6e32199643a3a90c37ca768f29b80d6944f34- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAZ2309329
- Bitcoin block existence check
- https://blockstream.info/api/block/953520