ISRC US3DF2139353
Verified recording
US3DF2139353 is “Recordando A Maria” by El As De La Sierra,
registered on the CopyrightChains blockchain with CopyrightID
0xe0bd8718bd6263c613c49bf6afa143451651e1f7e7c7ffecbe4506ffa164ff22 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/US3DF2139353.
Recording identifiers
- ISRC
- US3DF2139353
- Title
- Recordando A Maria
- Artist
- El As De La Sierra
- CopyrightID (CopyrightChains transaction hash)
0xe0bd8718bd6263c613c49bf6afa143451651e1f7e7c7ffecbe4506ffa164ff22
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:17:02+00:00
- Bitcoin block
- 960348
- Canonical record hash
sha256:f5c1d882e4f5e4a6f78bcc9b73c4e571ae60b49d39d699f1d1aff71a5e01fa22- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3DF2139353
- Bitcoin block existence check
- https://blockstream.info/api/block/960348