Maria

Recording by Stephen Sondheim.

Recording identifiers

ISRC
USSM18400083
CopyrightID (CopyrightChains transaction hash)
0xebee1dfbad40098a58646763616b70ef866645c192f5859795b6cece54f8971b
Copyright registration time
2026-07-06T09:13:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:04:01Z
Bitcoin block
957046
Canonical record hash
sha256:80f3e67e957d078fd841f37910af4bc86b7273754f538d57ad45d1b6e8b1bedb

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.