ISRC QM4TW1508037
Verified recording
QM4TW1508037 is “La Negra Tomasa” by Alfredito Valdes,
registered on the CopyrightChains blockchain with CopyrightID
0x74917c846e17d45d79205f339974bdf2787e3dfdff080d9d8dbc749ff0e74b50 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1508037.
Recording identifiers
- ISRC
- QM4TW1508037
- Title
- La Negra Tomasa
- Artist
- Alfredito Valdes
- CopyrightID (CopyrightChains transaction hash)
0x74917c846e17d45d79205f339974bdf2787e3dfdff080d9d8dbc749ff0e74b50
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:dad2c353c61563c6e803981b36147ef4b0c946e155dc9b0d638f3f759baf3c6b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1508037
- Bitcoin block existence check
- https://blockstream.info/api/block/960448