Das Land des Lächelns / Act 1: Ein Lied verfolgt mich Tag und Nacht - Finale 1

Recording identifiers

ISRC

DEF066802360

Release date of the album this recording appears on

1968-01-01

CopyrightID (CopyrightChains transaction hash)

0xc3cd1500b75f97d5e092ef81766ef56f6680bfecc3e6a56d36c2bc07230b29f5

Copyright registration time

2026-07-30T22:13:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T00:26:26Z

Bitcoin block

960327

Canonical record hash

sha256:4af8da27f8eba1be67f12f501e764230cfa92fb07ce6423c24027c30df3affc1

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC DEF066802360

What this proof establishes

This recording was released in 1968, 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.