Top of the Mud

Recording by Amon Düül II.

Recording identifiers

ISRC
USAT20622012
CopyrightID (CopyrightChains transaction hash)
0x2921c54d5e6f00df99839b87c7b69805481d08bfae9b0d553e3d4c4201617f33
Copyright registration time
2026-07-07T11:07:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8d621d1b571b4c716de30a527da8fe5014fe400ee31b991d2743f9a510c5d288

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.