Hidden Costs at Sea

Recording by widerberg.

Recording identifiers

ISRC
QMGR32078997
CopyrightID (CopyrightChains transaction hash)
0xe31a78b7b2bc8e0744b3fa2b6e030e1b40244ea71f0bbe966805c122e7faee09
Copyright registration time
2026-06-11T12:33:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:e435e8be29d0aadaaceb42561ab26d6057eebcebb97d5380b093663c2c3e8570

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.