Only Once

Recording by Maria McKee.

Recording identifiers

ISRC
USIR10000624
CopyrightID (CopyrightChains transaction hash)
0xafaf5c7ef893ddef10cb9b733c469ee95a4d8835a8392630faa36551402399ba
Copyright registration time
2026-07-03T23:07:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:5ebb28bb31d179cd7a098121a40c36af7eb2523926b74455202be2dc4fe23158

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.