Canto Ostinato, Section 91

Recording by Simeon ten Holt.

Recording identifiers

ISRC
BEGW92100018
CopyrightID (CopyrightChains transaction hash)
0x272248451aa246b86845f07d7c26d6e729e47a2e19af32a14272d059b1c39165
Copyright registration time
2026-07-06T20:17:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:561f25dd5e93c8b87e8f6902c4ec5629f13be4e8d737ad89cd442220b1b94e42

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.