Concrete

Recording by Stefanie Sargnagel.

Recording identifiers

ISRC
ATD751700202
CopyrightID (CopyrightChains transaction hash)
0x02732659381374227dfa1351d002ea47b2e227f6790bf08292a5b15a7972eeac
Copyright registration time
2026-07-31T07:25:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:26:41Z
Bitcoin block
960368
Canonical record hash
sha256:cef20a24f3d3cc764c3df5cca5daa9d83c5740c71e50afc19c9c63404d9b6b46

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.