OpenTechnical

OT-2026-000025219

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000025219) never changes.

Identity and time

Publication numberOT-2026-000025219 · never reused
Internal UUID01a0ae71-5fa6-7ef5-8a7b-bb659de9ea2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025219
StatusPUBLIC

Content hashes

Canonical texta3648d03e51272aa39e3747d1d580ded7670ce803ee7e963d56c2f32e0fa12a0
Markdownc47807558400f426a745309c6d4370257e9d0f7e51fa5388532f59eb14fe0e8b
PDF
Publication page3079d45bde981c34d72b08e73528bc1723d43fb963540990cc5601dbd8e30d35
Manifest1741740e65bd24c07b7752d47e67d51107ef5be592e54c077d1154a3c968f7a1

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturelLEzu07rv8ZQrHR0HrDTucVIufvg64fQVDOVpnTlj92DtL5+E/MBffQWEhbJoDatVF9NEhyB6GTeEClH6frTAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:47:13.266226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025219
observed 3079d45bde981c34d72b08e73528bc17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:13.247269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025219/manifest.json
observed 1741740e65bd24c07b7752d47e67d511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:13.228392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025219/publication.md
observed c47807558400f426a745309c6d437025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:13.210879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025219/publication.txt
observed a3648d03e51272aa39e3747d1d580ded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.