OpenTechnical

OT-2026-000026731

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, 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-2026-000026731) never changes.

Identity and time

Publication numberOT-2026-000026731 · never reused
Internal UUID01a0ae71-f4ab-7be1-86b3-213b6a01bbbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026731
StatusPUBLIC

Content hashes

Canonical text8d0fb6d9c2c9afbe09d3fefdb9dc5610a1bcd193e6cd6fbf9e11076c8a3113d6
Markdowna57dfcf959ed19ae74dc6379d938b8433b69870cb0c53c2cc6536151ecc58e0f
PDF
Publication page5471ee063b0b8116551a4774e99e7d3d908d9d15afb12e23ca40832de83f4320
Manifestca5f1f1dd008dd4f4f3a3082ab2a4e47380fc9e545aee870d4cf7401595d063c

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
Signature5Xb9wNCKyvxiRSKJytKYZ9Q8wo2vKfCqQoJj4gjBe8GY5xTrhDEKLlG61xqATtRl3SiD3JsfTmh67Ej5iGgWBg==
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

2026-09-17T11:45:54.803366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026731
observed 5471ee063b0b8116551a4774e99e7d3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:54.782971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026731/manifest.json
observed ca5f1f1dd008dd4f4f3a3082ab2a4e47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:54.762010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026731/publication.md
observed a57dfcf959ed19ae74dc6379d938b843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:54.741147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026731/publication.txt
observed 8d0fb6d9c2c9afbe09d3fefdb9dc5610...
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.