OpenTechnical

OT-2026-000074826

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000074826) never changes.

Identity and time

Publication numberOT-2026-000074826 · never reused
Internal UUID01a0ae93-ac2c-7d77-8d8b-85900ab04029 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074826
StatusPUBLIC

Content hashes

Canonical text27dc1302b8a840991ec6e20c58f576a2430b8cc84da7bc3725364f855d04cdad
Markdown427df6413426f1e7262acb9d89360c2e7c1484f07242b4b834920454483d9cca
PDF
Publication page34b129f4559823ba2d39ca3c9004e3c5929eb3503a3ea6e96b98a3a2a6fc032f
Manifestd05d69212bb9e3c45e3c5c6a592ebd973af8e0aadc2667e8d078948c6c376df1

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
SignaturerXygLqx+83I8m6vu9QzWaLHUxm3Wz7heAArl0MkyUY2ZXur501DHV0y6/JhSqr9KYEUHx+mP4qwKn1Mp7Jg/AA==
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

2026-09-17T10:18:32.167537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074826
observed 34b129f4559823ba2d39ca3c9004e3c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:32.149255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074826/manifest.json
observed d05d69212bb9e3c45e3c5c6a592ebd97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:32.132969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074826/publication.md
observed 427df6413426f1e7262acb9d89360c2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:32.116709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074826/publication.txt
observed 27dc1302b8a840991ec6e20c58f576a2...
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.