Syntelman's March of the Roaring Seventies

Recording by Amon Düül II.

Recording identifiers

ISRC
DEA450605201
Release date of the album this recording appears on
1971-01-01
CopyrightID (CopyrightChains transaction hash)
0x69036e190a498b4e9d5fd289b8268bf5b9bc1e5c0fe522bc96dc0171ed251b55
Copyright registration time
2026-06-27T23:08:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T16:51:38Z
Bitcoin block
956375
Canonical record hash
sha256:c16a98ade4e8647ff2ff103f23bda15ea3f9bb0ee211e6d12c94ec2648211412

What this proof establishes

This recording was released in 1971, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.