Piui

Recording by João Martins.

Recording identifiers

ISRC
BRC832000006
CopyrightID (CopyrightChains transaction hash)
0x223c8b7602db51cc0dc41f5540c0126ce272276f080dbdeeaf463e0a6261e6e6
Copyright registration time
2026-07-06T23:35:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9094ec350df22daa5518679293d5c7c0365e54b98e39bcb743ee0965349312b9

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.