Improvised Interlude

Recording by Anna-Liisa Eller.

Recording identifiers

ISRC
FR7JM1906110
CopyrightID (CopyrightChains transaction hash)
0x8960fee7d2eec6b3efc070a63d4ab15935d43062d418fe7d7e723729c55e186c
Copyright registration time
2026-07-07T15:17:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:eda5423955d9c874bf4d9428ff67c454059349614c13a4165f2776faa86efad1

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.