OpenTechnical

OT-2026-000072027

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000072027) never changes.

Identity and time

Publication numberOT-2026-000072027 · never reused
Internal UUID01a0ae92-47c0-7bbc-9f8f-0b0bf2060be2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072027
StatusPUBLIC

Content hashes

Canonical text9383e53b84817321722a0b936723be84b9d56e3406a776343702697519374bcf
Markdown7d64b5ccf0614477a7587bef0bd233a0019c8368e1c78a4e853394e06cf62656
PDF
Publication page3efe206200aae6093ed26848f2af2811062595326bb35f5de0ecc26298b6bd62
Manifestb8a4373576ebe1cc48d0be98c378d4222488b0cb950cc2a8aa947f9dd56754a5

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
Signature4NTdQERYZg8GH3804UJqu+W/0wofcdYsjx8Mkue+ucrWrXTHzc0HcQkgnPHJrc4sowq1230koWruJv0qormxCA==
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

2026-09-17T10:23:05.340593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072027
observed 3efe206200aae6093ed26848f2af2811...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:05.323715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072027/manifest.json
observed b8a4373576ebe1cc48d0be98c378d422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:05.307131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072027/publication.md
observed 7d64b5ccf0614477a7587bef0bd233a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:05.290170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072027/publication.txt
observed 9383e53b84817321722a0b936723be84...
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.