OpenTechnical

OT-2026-000068676

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented after 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-2026-000068676) never changes.

Identity and time

Publication numberOT-2026-000068676 · never reused
Internal UUID01a0ae90-2483-758b-b942-752f47eca621 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068676
StatusPUBLIC

Content hashes

Canonical textc90affa0c0fee0e49b70efbb3daa2d29971120f6f9d8eb39c4c6a73b77e6052a
Markdownab9ed1285346c278000a6f3d8f8450352cf4e1fc766e2b44a4697bd0d4aacff2
PDF
Publication page71c09244a80e850f45bc4f16b9f3d26b0eb3a13d56c339dd69043adea42e4f1c
Manifest062af0fea98c8fbbed68463f023038cf5db59934d92ee4dfda99d475ad208f7d

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
SignaturemDGPjfhCBzt4JzFeObdd6iyv+sJyNwvWuMU91/99DF2Sx8S1JwKlzt8AIuG/zTgiVPYzb70dUIi8Xms9w6LVCA==
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

2026-09-17T10:29:52.613969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068676
observed 71c09244a80e850f45bc4f16b9f3d26b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:52.597886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068676/manifest.json
observed 062af0fea98c8fbbed68463f023038cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:52.580559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068676/publication.md
observed ab9ed1285346c278000a6f3d8f845035...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:52.561745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068676/publication.txt
observed c90affa0c0fee0e49b70efbb3daa2d29...
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.