Symphony No. 3: Ic. Tempo I

Recording by Gustav Mahler.

Recording identifiers

ISRC
DEF058032803
CopyrightID (CopyrightChains transaction hash)
0x5df156bdadedaa4ff0d2bd5bf43f9f6ad8253b9dfc8b1abc58a69b49f6bca80a
Copyright registration time
2026-07-07T06:33:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a0d92afee2fed91b7072225cf42edc5e1c8910bf96f6af73d7f293ecd182539c

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.