Letters

Recording by Mark Schultz.

Recording identifiers

ISRC
TCABX1498101
CopyrightID (CopyrightChains transaction hash)
0xbd79ab5da768f0b8687cceac08305c94764128cde7e044e82ea93776ef44fb89
Copyright registration time
2026-06-23T22:10:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:f50eea090dd8479c6d02443e4c19de91dda4450c49933b00418226b4dd3d54cf

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.