Symphony No. 3 in D Minor: Part 2, IV. Tempo primo

Recording by Gustav Mahler.

Recording identifiers

ISRC
USSM19703189
CopyrightID (CopyrightChains transaction hash)
0x25d7b3d5c5e3abf0bc038b3585660aaaa4f8be4b83e4c58cac0bc5ccef2c49ab
Copyright registration time
2026-07-30T12:54:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T14:36:16Z
Bitcoin block
960264
Canonical record hash
sha256:3f2319464f905d4d50f84727d4cd38984868472d011676ed3437ece3776b7a23

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.