Glasperlenspiel No. 2

Recording by Carlos Marquez.

Recording identifiers

ISRC
GBSMU3374595
CopyrightID (CopyrightChains transaction hash)
0x4fee7396c0a47bf9939a87cff6d7502a0144d4500a4fbc2e7c207afec12320e1
Copyright registration time
2026-06-10T07:55:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:c807fc8ef93b5a80516f5d9895dac0fd5421ce9c94c41af7af0a90e2e14aadb7

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.