ISRC USL4Q2009307
Verified recording
USL4Q2009307 is “Presente, Pasado y Futuro (2003)” by Bocafloja,
registered on the CopyrightChains blockchain with CopyrightID
0xc64d4884ba3512be9c59f2fd3d5523a3964b54d2308371e1a8103a0edeaa0538 and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q2009307.
Recording identifiers
- ISRC
- USL4Q2009307
- Title
- Presente, Pasado y Futuro (2003)
- Artist
- Bocafloja
- CopyrightID (CopyrightChains transaction hash)
0xc64d4884ba3512be9c59f2fd3d5523a3964b54d2308371e1a8103a0edeaa0538
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:425c176092fcf12f2685bb9f719c14585acbc0344cd23a98ea0a4bf4ce216cb2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q2009307
- Bitcoin block existence check
- https://blockstream.info/api/block/953515
Full record
Track page: Presente, Pasado y Futuro (2003) · Machine-readable JSON-LD