Tanken

Recording by SFB.

Recording identifiers

ISRC
USHM91485305
CopyrightID (CopyrightChains transaction hash)
0x5ebdd77138e1f0c97609bfca6363227601cc9951782f9d556f39ad457d94688e
Copyright registration time
2026-06-24T07:09:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:8dd1ad687fea1da12ade1eeb9a1279ecea3ab811a3b778a792d8c3ba5db11732

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.