Hauptthema (Grand Canyon Melodie)

Recording by Martin Böttcher.

Recording identifiers

ISRC
DEF066903480
CopyrightID (CopyrightChains transaction hash)
0xb44c4183bb058b69631db9e9216593cc84754a1bce89554ed8a0d9e999f334ac
Copyright registration time
2026-06-18T04:58:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:c2bfae3be0a7045372ef6dfd9a283ba7f7e6c392a775ca7c7f0f22d5ac815180

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.