OpenTechnical

OT-2026-000068437

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000068437) never changes.

Identity and time

Publication numberOT-2026-000068437 · never reused
Internal UUID01a0ae90-2481-75b3-8d89-9484d0a95a59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068437
StatusPUBLIC

Content hashes

Canonical textb02d3274b7170bab26812384966ec7eb75222f8f17bd5437cfedf28075dca36b
Markdown3eb851c146ffa651bc98400f5f30cb96decd42399f9c6cc7b15ad3fa5f7a475e
PDF
Publication page41ecfd6566cc23778eba2e5db5e88b7896bf04dcf5dcc2e75c954c8d75a8ac9a
Manifeste4a13d2418c8b0ebe974a7ef0bd2152de57cf909cde588bbd4247487a0d29ef4

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
SignaturenHDw/RZpwn1ihMYLnfvaeW5mph9A4RkTk2KB6jgiP/QRuyNDgiaWVyH6cjjO9fzZN0jARctdFCtrqkzDcT3CDQ==
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

2026-09-17T10:29:33.034615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068437
observed 41ecfd6566cc23778eba2e5db5e88b78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:32.993717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068437/manifest.json
observed e4a13d2418c8b0ebe974a7ef0bd2152d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:32.976361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068437/publication.md
observed 3eb851c146ffa651bc98400f5f30cb96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:32.936248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068437/publication.txt
observed b02d3274b7170bab26812384966ec7eb...
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.