En Secreto

Recording by Sofia Castro.

Recording identifiers

ISRC
USUM72205442
CopyrightID (CopyrightChains transaction hash)
0x3a908b9858c70d4649991416bfebd77c13e56defa646c3c8cee8a3debdff0ead
Copyright registration time
2026-06-08T20:27:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:c54d86c9e1a0225801f09d74c23a8412b0057b51c09fbba5bd24f589b1a2c5a7

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.