OpenTechnical

OT-2026-000063713

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000063713) never changes.

Identity and time

Publication numberOT-2026-000063713 · never reused
Internal UUID01a0ae8c-f946-7c14-8a32-8b1c2b6da919 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063713
StatusPUBLIC

Content hashes

Canonical text29fcdddf6628b78f980daa98a07d36a0c34ad0b49f6b482b968c94b873fba8e6
Markdown96f70f9b0a34a56599427bfbfc7d2398bafc93734f2d860f0cb860bbcc41c680
PDF
Publication pageabc7c363edd2090e8b80cf451b98dec2e4c13d70f90be2f8ecbf4bda12418b64
Manifestf1d71c11738977fe176acc240a43b9305c26adccb3ccdb828faa2b64627e7a22

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
Signature0vhjm09iMw3cE2+5Aj0aMaircA2TsyPaxGXhysLI7WmGqd2q1/fuiD03UkghMd/X3r75aKU2ZuuibOtMmai/Dg==
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

2026-09-17T10:37:50.302029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063713
observed abc7c363edd2090e8b80cf451b98dec2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:50.283903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063713/manifest.json
observed f1d71c11738977fe176acc240a43b930...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:50.266858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063713/publication.md
observed 96f70f9b0a34a56599427bfbfc7d2398...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:50.248271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063713/publication.txt
observed 29fcdddf6628b78f980daa98a07d36a0...
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.