Symphony No. 4 in D Minor, "Invocatio": II. Alla toccata

Recording by Ture Rangström.

Recording identifiers

ISRC
FINDE9700002
CopyrightID (CopyrightChains transaction hash)
0xda896e26efce877f93ff45b2c6d9b4a42e6dc0f02c269d388a4301e3c3520e13

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T02:22:04Z
Bitcoin block
960497
Canonical record hash
sha256:886a29359f3b51084f014bd816e0b15142b06d56cfc31cee3620bc0cfb043477

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.