OpenTechnical

OT-2026-000031346

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, pulsed blow-off after 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-2026-000031346) never changes.

Identity and time

Publication numberOT-2026-000031346 · never reused
Internal UUID01a0ae74-87ac-756f-8e5b-12242eb186c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031346
StatusPUBLIC

Content hashes

Canonical text417516da886bb5bdbece0ab4bb29ad729386cc875abd096db83a14a1de88b726
Markdown0cdb2de81fa45663e6afa91157f25a1a2f28116cd15c634a0a61a7d07402f646
PDF
Publication pagedcaeb02ed3f5a89a048d18da8a2414dd7c838b9cef2900dd700d951b89982567
Manifest9ebe1982816b91d76dacf25729bb7a0b0cd2e7eeca9eeb8cb68148f0d97227cd

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
SignaturefeWPMloWrxNleKA3CqRjkFDyqsivHkmhIHa/Ge8GUEJckiVuhIzztRR/i6+H3QCB1tulqiBJaf4lWcUtERnnCg==
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

2026-09-17T11:36:02.662876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031346
observed dcaeb02ed3f5a89a048d18da8a2414dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:02.645614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031346/manifest.json
observed 9ebe1982816b91d76dacf25729bb7a0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:02.627476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031346/publication.md
observed 0cdb2de81fa45663e6afa91157f25a1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:02.607345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031346/publication.txt
observed 417516da886bb5bdbece0ab4bb29ad72...
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.