OpenTechnical

OT-2026-000065161

Publication integrity record

Two cup 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-2026-000065161) never changes.

Identity and time

Publication numberOT-2026-000065161 · never reused
Internal UUID01a0ae8e-1df9-7cec-a633-b8fb9ea72325 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065161
StatusPUBLIC

Content hashes

Canonical text1cc49a6592edd04e50b8ad0377ec7208887022f34444fe0f152cd53549a91b04
Markdownd19f764f7d68cf21ceb1b45ce50f575888a56dd34281845ebdd991afe859f9df
PDF
Publication pagedc9cda57c31aee1fff72afeeddbba55a64864044a4dfe15c0d009fbc1748d1ef
Manifestdf36cc76bcdc7b47e3976077788644a9ae293a0cc08f04672cf1a44e6f8e6a7b

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
Signature+yVTPT3QrlOx2P9wEmI00jkhM4gy7qry/T8DFS08xcNBtWydv0V/IqAs/JeqX0O5Dqa/Y9OwzRbxLd0Hba6WAA==
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

2026-09-17T10:34:59.990456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065161
observed dc9cda57c31aee1fff72afeeddbba55a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:59.974185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065161/manifest.json
observed df36cc76bcdc7b47e3976077788644a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:59.957976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065161/publication.md
observed d19f764f7d68cf21ceb1b45ce50f5758...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:59.941674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065161/publication.txt
observed 1cc49a6592edd04e50b8ad0377ec7208...
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.