DTMF

Recording by Telephones.

Recording identifiers

ISRC
DECY51601029
CopyrightID (CopyrightChains transaction hash)
0xc2267d44a712fd02d6495989dd5c8e227b6dbd7e27d695d00a7249db4be4193d
Copyright registration time
2026-07-06T23:55:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:e4aa87f3d425af95e327c12a0cc8e33712cf62e34ad5add08d4dad376d293493

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.