A Porta

Recording by Bressan.

Recording identifiers

ISRC
BCLAH2300006
CopyrightID (CopyrightChains transaction hash)
0xbf849a6857dbde858120dff4ec0d7dc7bb8a1a0597af682b02c12e22c9705bf2
Copyright registration time
2026-07-06T07:08:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-13T07:53:33Z
Bitcoin block
957819
Canonical record hash
sha256:e9a7736352c8ea6d2c3e673247189f6f5e37ed1d43b46241dab2d4464ca93da7

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.