Ler Devagar

Recording by Tuna Feminina do IPCA.

Recording identifiers

ISRC
PTRO12200363
CopyrightID (CopyrightChains transaction hash)
0x6cb92ca0ce02c0dc245ae17e665912d75c2c2319e60ed5e287761d5f1ef21a07
Copyright registration time
2026-07-07T23:48:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:f7afb4c727defee7f87f0efece949e84b4f3a3b130a0c6e4ee65b78218cef3ed

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.