I. Markiert und kraftig

Recording by Robert Schumann.

Recording identifiers

ISRC
HKI190515502
CopyrightID (CopyrightChains transaction hash)
0x3096ac134e1caebb732c9a57d18d28226d251d4e06b05e1a7cb7880b98e707fa
Copyright registration time
2026-07-07T18:34:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:ab6676b95884867d28b63f3e3df911183d58a49da69b38e7ca40438e85c7892b

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.