OpenTechnical

OT-2026-000070233

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000070233) never changes.

Identity and time

Publication numberOT-2026-000070233 · never reused
Internal UUID01a0ae91-545e-77d1-878f-7437808ed775 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070233
StatusPUBLIC

Content hashes

Canonical text34d6c36999c4ba20cfbd2bf38e75259995b968bf583b37847da64776506d43f2
Markdown99f09ae755e2ca5e131f3125700cc8e95300f1e71e5ac00a7a4622658c1bda04
PDF
Publication page4958df7df83ba9079fbb67ebde042479826261c34ddde2d9cedff4eb837c2605
Manifestc30000a864600183a0b18b5ca2e2d7d284a6a198d32db8aec9563d8578eed264

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
SignaturePg/qYlN3MWA04L5rGUb5RsAf8+WmcnSrECeM1NaRP8aXP+Xj/VHz7nWibrdUlFv4SWMC/dw1ICVsLlFu0F0eAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:00.420572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070233
observed 4958df7df83ba9079fbb67ebde042479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:00.405212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070233/manifest.json
observed c30000a864600183a0b18b5ca2e2d7d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:00.387747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070233/publication.md
observed 99f09ae755e2ca5e131f3125700cc8e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:00.370325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070233/publication.txt
observed 34d6c36999c4ba20cfbd2bf38e752599...
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.