Calculadora

Recording by Dagger.

Recording identifiers

ISRC
QZW9L2361438
CopyrightID (CopyrightChains transaction hash)
0x0bad9264f16dcefae462f4b7197fa19e958b8ddc2774ff60bab3809799ec956b
Copyright registration time
2026-07-07T08:59:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:66892ded766318633f8cfc97240d4fd7d15e19174de384b28f5afb49ee5eec8e

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.