OpenTechnical

OT-2026-000079386

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000079386) never changes.

Identity and time

Publication numberOT-2026-000079386 · never reused
Internal UUID01a0ae96-0b90-745f-9dad-46aa9d658612 · 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-2026-000079386
StatusPUBLIC

Content hashes

Canonical text52cd688289f9f015184fa19597d6dcbf55d181eaaacf619703d33eb3bb7497e8
Markdown2332127b288e13ae4f8737e356889acde622e035624b0fb3b1a856f39b2b7c00
PDF
Publication page84cc7023b6c47c5f4a8ffe11f1036d30eddd312e6a78b84679e395fba1ac41cc
Manifest8d6bf437f45570332856349a4d8a8ebe30e2f6cb6cc8b87ba27a79274740e518

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
SignatureQyXQ2ynjVwIRfjbgwNjQkaCmz/gP5RUGPlG4+jrV/Us9O8MIRM6QpDrrRPSW15cDV+CD/R6nOrNdWwdg6dZOBw==
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

2026-09-17T10:05:00.473730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079386
observed 84cc7023b6c47c5f4a8ffe11f1036d30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:00.454288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079386/manifest.json
observed 8d6bf437f45570332856349a4d8a8ebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:00.435915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079386/publication.md
observed 2332127b288e13ae4f8737e356889acd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:00.414152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079386/publication.txt
observed 52cd688289f9f015184fa19597d6dcbf...
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.