Carta a Sociedade

Recording by 509-E.

Recording identifiers

ISRC
BRAPI0000214
CopyrightID (CopyrightChains transaction hash)
0xcd78c32317252570879fb3fc8c46b0338f1b1faaaedc22c81bdda2aff7296fe4
Copyright registration time
2026-06-08T22:02:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:e6ece8097c64c41d9ecff7c2d8c48e8fac2d6f0be93c34fa3c5d392e2f9f4352

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.