E Sempre

Recording by Guilherme de Sá.

Recording identifiers

ISRC
BX4TA2000136
CopyrightID (CopyrightChains transaction hash)
0x9b0487c791b281ea475d414d0755e078e59b44cccad7ae5d65a19542c33220d0
Copyright registration time
2026-06-23T14:16:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:92e6cfaccf2e0d61200a778c71e030d9866c4f84a2ab50ad4aa1891844b744d7

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.