OpenTechnical

OT-2026-000063101

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000063101) never changes.

Identity and time

Publication numberOT-2026-000063101 · never reused
Internal UUID01a0ae8c-94aa-7168-8186-4fff9f184ab8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063101
StatusPUBLIC

Content hashes

Canonical texta157fb2cb5fe54fcec1a2f714881ba9d5a2add5825af113e79cbffa7fcfa472c
Markdowne118394f436abff4ac915d153ac4c7ec333890e9ea210604c6965930fd3d9ed8
PDF
Publication page92766f92af71b730a6878f89554e1a59cf3e860cb04b7aa227e934e2e7ee8bb7
Manifestba3e8439379f7541f7778c7e11fd0f94c92891e3af4b8216a2070c5fe1658f77

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
SignatureMJF1gerTsibyAJ2sQKJFca618ORA+A6Nthi/HniuDUEEgpzE2Yn+hTOp6VNJ9z0uJZJ51knbeJk/r8kAqDhbAQ==
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

2026-09-17T10:38:52.549343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063101
observed 92766f92af71b730a6878f89554e1a59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:52.530734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063101/manifest.json
observed ba3e8439379f7541f7778c7e11fd0f94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:52.512710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063101/publication.md
observed e118394f436abff4ac915d153ac4c7ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:52.494010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063101/publication.txt
observed a157fb2cb5fe54fcec1a2f714881ba9d...
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.