OpenTechnical

OT-2026-000078550

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000078550) never changes.

Identity and time

Publication numberOT-2026-000078550 · never reused
Internal UUID01a0ae95-7c29-7d0f-b39d-520464eb335e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078550
StatusPUBLIC

Content hashes

Canonical text83be181dce44c6ffa3e62efc0426ab2d92228e56897a1e3a2413a600dd075116
Markdown067dd5a1f8544aad5b42adcf8ade2578421fa048c2ac18f265ecaf1c3623f96d
PDF
Publication page630a14d44581e820a1039fdeb95513cc98add0569389732a77c8d8b639b11be0
Manifest5faa6a51aa3fc2d1d77e60c109ef4514554492724e3c3fb997541f82c3f94ba2

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
SignaturezNKBt5Dwq8ExCM1d+CaYQQOOPkAclCOMHZGELMTAqOmzePc2kN/q+OwtVEX+1hGh9IyGAHlLxQeyMUzbar4MDw==
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

2026-09-17T10:06:03.962950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078550
observed 630a14d44581e820a1039fdeb95513cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:03.939712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078550/manifest.json
observed 5faa6a51aa3fc2d1d77e60c109ef4514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:03.922714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078550/publication.md
observed 067dd5a1f8544aad5b42adcf8ade2578...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:03.904639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078550/publication.txt
observed 83be181dce44c6ffa3e62efc0426ab2d...
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.