Glasperlenspiel No. 4

Recording by Carlos Marquez.

Recording identifiers

ISRC
GBSMU3374597
CopyrightID (CopyrightChains transaction hash)
0x9b347771c35c8826a9381248a767c792c122ebb3d0004303377d6e64edb9afe4
Copyright registration time
2026-06-17T10:17:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-17T19:07:14Z
Bitcoin block
954130
Canonical record hash
sha256:462231a714b8a7c16d8e766fd2f7ef74fd6ef1d9dc1baee3ca81603e70759d1c

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.