Lost Year

Recording by Mutemath.

Recording identifiers

ISRC
USWB10901566
CopyrightID (CopyrightChains transaction hash)
0xa6d16754c18dbe848cb5eaf6b76ccf9b2ca0eae1499a376e1b84ba02642b5e91
Copyright registration time
2026-07-03T17:56:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:5534abc9d328875da6b37777dce8b9664db5ffe165d39a0774c5424dda410a1a

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.