OpenTechnical

OT-2026-000072032

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000072032) never changes.

Identity and time

Publication numberOT-2026-000072032 · never reused
Internal UUID01a0ae92-47c1-7155-8d2a-b50c6fbdf715 · 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-2026-000072032
StatusPUBLIC

Content hashes

Canonical text08bdbcd1adbabc0ea7947cbd260fa44f7e00804b1eb85de99b50e7866a72deff
Markdowne630ea03f6c1fa25a0f1c4d8fc091eed43767849d43de6f13a8d9080f3de6411
PDF
Publication page206ddeda9e264488c4a1ad142d737254ed153e473e7a021c4bede940385f74f0
Manifest157805285b475f42e89a4c3ee3c66a138305692102f12cddd0e9f47a4c144b5b

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
SignatureLdQHQCY1NGt9EPiEYZOD9m351KZad2UQSNmZaRWn1tW+UPq/0970gTnfOzkKiWSWF0UD/J637L5v2Mtz6pO9Ag==
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

2026-09-17T10:23:05.763911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072032
observed 206ddeda9e264488c4a1ad142d737254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:05.745937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072032/manifest.json
observed 157805285b475f42e89a4c3ee3c66a13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:05.729043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072032/publication.md
observed e630ea03f6c1fa25a0f1c4d8fc091eed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:05.710878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072032/publication.txt
observed 08bdbcd1adbabc0ea7947cbd260fa44f...
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.