Koinonikon for Friday

Recording by Monastery Choir of St. John of San Francisco.

Recording identifiers

ISRC
USHM80943272
CopyrightID (CopyrightChains transaction hash)
0x081a43e465be97276640cbe6ad9b7173ba55fc7cc1879cf5985a40b1c125cc9e
Copyright registration time
2026-06-28T03:16:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T16:51:38Z
Bitcoin block
956375
Canonical record hash
sha256:ad6a19865c4df18346dcb3101315fcf888555f9810592c1c7db2beaa574d36d2

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.