A Arca e o Buraco

Recording by Roberto Schilling.

Recording identifiers

ISRC
BXBHP2400118
CopyrightID (CopyrightChains transaction hash)
0xf1ead41aa20ffc6a5c0a7f6ddc52ec81c0a7e342ca2c5fc3b7426a10cc385bf4
Copyright registration time
2026-07-31T11:04:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:8ed823459ab01fe1c330137615b31724a9e1d584a085f823e5dd73642d95543d

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.