Glasperlenspiel No. 5

Recording by Carlos Marquez.

Recording identifiers

ISRC
GBSMU3374598
CopyrightID (CopyrightChains transaction hash)
0x153d268d100469ac63235f084853a51f0fe1ce58222a0062b3c56c09280c38c3
Copyright registration time
2026-06-19T18:00:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:34561fa393d02b748a9e783f79cbfd981c693bc9cb192a794b95d4b1e657dbaa

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.