Purpurina

Recording by João Não.

Recording identifiers

ISRC
ES71G2309696
CopyrightID (CopyrightChains transaction hash)
0xd99b3a454dab00982768540d815fa0826f0e282a2326e110ae44677d9d7fcd0c
Copyright registration time
2026-06-10T21:23:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:440fe84e44877daa74835f0a62f1e9060308ae1839d2157f06ae980408bcbe99

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.