OpenTechnical

OT-2026-000065438

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum 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-2026-000065438) never changes.

Identity and time

Publication numberOT-2026-000065438 · never reused
Internal UUID01a0ae8e-46f9-786d-87bb-32304768abee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065438
StatusPUBLIC

Content hashes

Canonical text377ab06176eebb4ab288146477bc52d007448814648637afabf5886c69ad77b4
Markdownc431fed2d27090bf1aceaebd3192d4c4329f574335ca8813866019a6efc5d226
PDF
Publication page6ce2ca1a5cdaac4e3f708e74af5b06868258835f695374ea63e86e058ae29252
Manifest018f325d2b1d51f0924755ada04c0769ba8f39d2acdcf2d8ca2273d4ff786597

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
SignatureXIDZAU0OMEY977Z7luOac2UK6pucq9M01w+DdoptYJOksUiMcsm7JqFycJqoVesu3OzFu5n/+6lMjp07Pcy6AA==
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

2026-09-17T10:33:42.760774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065438
observed 6ce2ca1a5cdaac4e3f708e74af5b0686...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:42.741898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065438/manifest.json
observed 018f325d2b1d51f0924755ada04c0769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:42.723520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065438/publication.md
observed c431fed2d27090bf1aceaebd3192d4c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:42.705928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065438/publication.txt
observed 377ab06176eebb4ab288146477bc52d0...
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.