ISRC QZHZ41961588
Verified recording
QZHZ41961588 is “El Viejo Ha Durado” by Colmillo Norteño,
registered on the CopyrightChains blockchain with CopyrightID
0x4fdf1a73bca36e4c3a76ec62bf7d34702a7b44c6ad421852b4c7d842a11c05af and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ41961588.
Recording identifiers
- ISRC
- QZHZ41961588
- Title
- El Viejo Ha Durado
- Artist
- Colmillo Norteño
- CopyrightID (CopyrightChains transaction hash)
0x4fdf1a73bca36e4c3a76ec62bf7d34702a7b44c6ad421852b4c7d842a11c05af
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:a3bd8e575dd6170596fe9c5a0f84c22dcc326516c7a6f7803d4e9270ab548d9a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ41961588
- Bitcoin block existence check
- https://blockstream.info/api/block/960321