OpenTechnical

OT-2026-000068161

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000068161) never changes.

Identity and time

Publication numberOT-2026-000068161 · never reused
Internal UUID01a0ae8f-c4ff-7b8c-8c0d-109d5f545ca0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068161
StatusPUBLIC

Content hashes

Canonical textcd02b70db8c93eec1f34ecc546e17fad7733565ed634484b15429938c22b6a41
Markdown8f0340e4d4b4444d4855126fd431c98dafdc3d108284661a7d87571b8339f069
PDF
Publication page11f2dee04ae3e01ea45fe59affe997afc4e47adef89aff510d2e6a21dd987f4c
Manifesta1fa467a9bf8490fbdb795753296dbac8db06894e511522f2919261b1f78aeea

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
SignatureOef/jGEz9hlFVhMFgS3QAr/Gzb3xNgQFhUXJZJ9QcNV1q1T/GMbD5OzTerFcf1BTQ38rpfvddsZPqyRcNmk0BQ==
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

2026-09-17T10:30:48.829833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068161
observed 11f2dee04ae3e01ea45fe59affe997af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:48.810882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068161/manifest.json
observed a1fa467a9bf8490fbdb795753296dbac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:48.792351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068161/publication.md
observed 8f0340e4d4b4444d4855126fd431c98d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:48.774542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068161/publication.txt
observed cd02b70db8c93eec1f34ecc546e17fad...
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.