Papel e Caneta

Recording by Matheus Crippa.

Recording identifiers

ISRC
BXHPB2100004
CopyrightID (CopyrightChains transaction hash)
0xd00784f753e6a715a27eab6a94af8b6c6c1f74f4565806cb625f1c4d8a33b827
Copyright registration time
2026-07-31T04:50:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T05:17:02Z
Bitcoin block
960348
Canonical record hash
sha256:d5e1be2ef8d26ff09c76784209402ad50b0077cb34e758e2f17a8b289f4c9009

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.