Losing My Mind

Recording by Stephen Sondheim.

Recording identifiers

ISRC
US6W62119808
CopyrightID (CopyrightChains transaction hash)
0x091708bf832cffd4e11a0b84d8f2d5c75fa71145d78e7d5247d5c3744450c4fa
Copyright registration time
2026-07-07T10:03:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:395f43f28c338e0e6a808f9457537215b87c1c4aa335d8a7297753dc80c35453

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.