Kyrie a 6

Recording by Heinrich Bach.

Recording identifiers

ISRC
BER181840115
CopyrightID (CopyrightChains transaction hash)
0x898033b87a2e42c544e92e476dcda7ad7253c7092af338890089e5749bf8318d
Copyright registration time
2026-06-11T12:28:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:7b9d5e27f6d2132b45f1dd99cf75b9b2400615f9ffb4969f05dfb728d13920a1

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.