OpenTechnical

OT-2026-000017022

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000017022) never changes.

Identity and time

Publication numberOT-2026-000017022 · never reused
Internal UUID01a0ae6e-591b-778f-88b9-1ccd9b9f52a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017022
StatusPUBLIC

Content hashes

Canonical texte0a8662a53ac98d0ab83cbafe0fc9e197bd4261fe86b43a2a95fe0c5ba180e1f
Markdown8cd34faa75c807091199634eba62f9f8c26e2c1758cb8706ba4a9b194b3c02bd
PDF
Publication pagefa75c068c7564565233a0796028720875fdfb13a01c0e338a4d4f09d204c1c46
Manifest8281634937a7d39ff1953ec477968395510d20e8d318a9bbeaf6ca0ebb88ab03

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
SignaturethoWh2+RqsKEyPfUjVdsgEbyx7MUeRq3X/IuowOJiEEIXP06stX5dQMfkYdH735lOAPEAg/SPwV6x0MwONUGBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:03:25.889022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017022
observed fa75c068c7564565233a079602872087...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:25.873730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017022/manifest.json
observed 8281634937a7d39ff1953ec477968395...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:25.854352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017022/publication.md
observed 8cd34faa75c807091199634eba62f9f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:25.838546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017022/publication.txt
observed e0a8662a53ac98d0ab83cbafe0fc9e19...
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.