Sina

Recording by Eduardo Costa.

Recording identifiers

ISRC
BXEC12300181
CopyrightID (CopyrightChains transaction hash)
0xab0efb2e1e27ee5d203037c8033b2a42f7fb35dcd935c26eeb383003a4d521c9
Copyright registration time
2026-06-21T02:50:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:9a345330a584754f567d5813f46c961081d2b71e11a850717a4e07d93c8039b2

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.