Symphony No. 8: I - II. Imple superna gratia - Live

Recording by Gustav Mahler.

Recording identifiers

ISRC
US25T0914297
CopyrightID (CopyrightChains transaction hash)
0x25cd3389f3f38d7a0eb2349a7c6a4027484e90486aa042f25265cd6873ef9d55
Copyright registration time
2026-07-07T07:02:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:900bb61fc77f77316de1a461d10a551e3f78c8f146317412d0cc7025022d4b17

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.