OpenTechnical

OT-2026-000079330

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000079330) never changes.

Identity and time

Publication numberOT-2026-000079330 · never reused
Internal UUID01a0ae96-0b90-76c5-b6b0-44c4ab6f5162 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079330
StatusPUBLIC

Content hashes

Canonical textf7c39cdae1c9ee67d58367b497b2e4598811e8161edf1911cec59210d4034380
Markdown32436c375857e4b15ac1b14b1dc8e1d4dc201c1ecbd3d354ba63a2bfef8e1d51
PDF
Publication page53113bb42b2d5f4638bc7fc7158458170e7c17bbae24ca8da729fbe68f5bef35
Manifesta006ca8cd9a3876c9977669a38d5aae465048ba6d73b46c50969144c9f53ceb0

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
SignaturekpbMW4ZUkp9N6IG3/s2qWt1CB4dELa7NAJVflktJtdTcCa5RTCEUAEKEJ5Xs+x79BYuAPg+xdAAp7LmSbVL2DQ==
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

2026-09-17T10:04:56.553361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079330
observed 53113bb42b2d5f4638bc7fc715845817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:56.536009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079330/manifest.json
observed a006ca8cd9a3876c9977669a38d5aae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:56.517300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079330/publication.md
observed 32436c375857e4b15ac1b14b1dc8e1d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:56.497037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079330/publication.txt
observed f7c39cdae1c9ee67d58367b497b2e459...
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.