Sand Toy

Recording by Mat Cipher.

Recording identifiers

ISRC
NLT2H2100114
CopyrightID (CopyrightChains transaction hash)
0x74f0b1f45a6cc462a4a997fde8b82ba3c47be828529e908f64e177378ee4aebc
Copyright registration time
2026-06-10T08:37:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:32db1437cf79f937ba21289aad151d5e77425135edb7e276c50d7915e7a0b351

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.