OpenTechnical

OT-2026-000067866

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line 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-2026-000067866) never changes.

Identity and time

Publication numberOT-2026-000067866 · never reused
Internal UUID01a0ae8f-c4fc-7abd-93c4-cc00ee08d3f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067866
StatusPUBLIC

Content hashes

Canonical text4983adc3b4e93e47923406647e6092ac4b02fee4e51dcaa85db812ca01fe4269
Markdown2abb943a02543b6435924d8173cb1aaf5ab886c3e953578f23db138a959a90a2
PDF
Publication pageef0e162176903c8b167e9a96690cabc7fd7d33694f63883152192e6b36a89c7f
Manifest044b92492df67184d709cdb17630d0bd11e6a7c8856b0a006fb0d7cbc3769d2e

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
SignatureI0qdXtn6GqqHq0bbASLzsE8piYaoZgJoYboqYRr3DeXFUIwRgHlHpIIyom/RYnB1oaZ79e1/iUm2fn+PTQBpDw==
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

2026-09-17T10:30:15.075046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067866
observed ef0e162176903c8b167e9a96690cabc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.056084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067866/manifest.json
observed 044b92492df67184d709cdb17630d0bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.037581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067866/publication.md
observed 2abb943a02543b6435924d8173cb1aaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.019039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067866/publication.txt
observed 4983adc3b4e93e47923406647e6092ac...
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.