Efecto Boomerang

Recording by Eche.

Recording identifiers

ISRC
SE6A91927243
CopyrightID (CopyrightChains transaction hash)
0xfe1b692e1dc479f02d808e464f8d3e56defb9a7d9b5519d693b82188e73676e3
Copyright registration time
2026-06-18T08:54:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:477e6024d10e07f451a83bdd440117ec71c8871ae544ee235ef815c8882c834f

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.