The Old Castle

Recording by Roberto Olzer trio.

Recording identifiers

ISRC
QMFME2178720
CopyrightID (CopyrightChains transaction hash)
0x4eda681229e7f87d6bb4c455d270ba06170bb8b9b0a14c03e8c17bfa0c3af37a
Copyright registration time
2026-07-07T09:49:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a1f64615c6ee8fcd496d2cdc32b2e0586f5c62742b9be844274e8580ce99d5f8

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.