The Typewriter

Recording by Leroy Anderson.

Recording identifiers

ISRC
NLA505800492
CopyrightID (CopyrightChains transaction hash)
0x1aee083d91ffd97c09a918b469771acb3e6dfe2962a2386e45242b2fd005c1dd
Copyright registration time
2026-06-09T14:15:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:509e4107f9b2d44272241e0be740b3ad92bfaff8fe0de6e4917011fa720962bf

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.