Koinonikon for Sundays

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

Recording identifiers

ISRC
USHM80943273
CopyrightID (CopyrightChains transaction hash)
0x8498a540abaff543d275381d8395ab2bbae1cd013090e7285429c8e37c9e9397
Copyright registration time
2026-06-11T01:37:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:8e08f5695e15291b384f8fc79330cb98116ad39be93fec9498750ecb36f6ac32

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.