Doubt against Our Future

Recording by Taro Iwashiro.

Recording identifiers

ISRC
JPI101800463
CopyrightID (CopyrightChains transaction hash)
0x95df8eca68e6b7d94656b93d69d4d2429814fadb2cd1f2eb8dd8a77bd1fa4129
Copyright registration time
2026-07-07T03:54:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a609ba50274a5249f4ab213fa31269cbe43e13f5c9311cd8dd0cd55aeba08d06

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.