OpenTechnical

OT-2026-000058017

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented before 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-2026-000058017) never changes.

Identity and time

Publication numberOT-2026-000058017 · never reused
Internal UUID01a0ae88-6ed9-798a-8570-99e146858b79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058017
StatusPUBLIC

Content hashes

Canonical textdbd2aa5161ff70589a7cc5730e810f77fcc6931b7d19d4ad7802eec885184638
Markdown74c24d53c26caed3bf4d5dae1ea33f2cd70fe6ce0bfe703576e5ce62076f2896
PDF
Publication page1b419c36c9ad9eeb0b5e01f514f1c50aa7884d2bb79c2ba7f93c2571f37472d7
Manifestffde8265b9adb1c5358a79fd8f1b807065c3cea88c5b6b1d4de1a1404fc3d8fa

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
SignaturewNHaKUhjKMXoNc5Y6INBYeaMZWpl5/dHrDxtHnb1Hy7zYXllWYeHKjje3v0rFWlBmEIVGC2aSF8OL7/HYtIxBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:39.320379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058017
observed 1b419c36c9ad9eeb0b5e01f514f1c50a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:39.301220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058017/manifest.json
observed ffde8265b9adb1c5358a79fd8f1b8070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:39.279537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058017/publication.md
observed 74c24d53c26caed3bf4d5dae1ea33f2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:39.261227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058017/publication.txt
observed dbd2aa5161ff70589a7cc5730e810f77...
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.