A Certain Spirit

Recording by Matias Aguayo.

Recording identifiers

ISRC
DEU671301593
CopyrightID (CopyrightChains transaction hash)
0x36d22d1b357396401ad99712107ee48c8f129a4a6300e0e583501a991b61d75f
Copyright registration time
2026-07-07T20:12:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:a66883ba49daafeab828d8c19063ca99bae388ec779f3ae1dc003ad280af9854

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.