Symphony No. 3: IIIa. Comodo. Scherzando. Ohne Hast

Recording by Gustav Mahler.

Recording identifiers

ISRC
DEF058032811
CopyrightID (CopyrightChains transaction hash)
0xfb069f9ea9ef27ab2e29c0eb16a1db33649edfd67b119bab12cd405b7f5470d9
Copyright registration time
2026-07-06T22:42:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:824d5b90b8c938200df31e608028d82dfd9ed2674e41f355faccb014ace7a034

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.