Tanken

Recording by SFB.

Recording identifiers

ISRC
USX9P1431048
CopyrightID (CopyrightChains transaction hash)
0x53a9df4da1ffa9b7cb9784bdd654083268447a2d569172564476a46a8d37ca05
Copyright registration time
2026-06-08T05:40:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:2f9b3c1401a8c03a515522ace0dd91cd6ec011a0a52c466c41d0c3360fc6cc25

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.