OpenTechnical

OT-2026-000067192

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after set-down

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-2026-000067192) never changes.

Identity and time

Publication numberOT-2026-000067192 · never reused
Internal UUID01a0ae8f-14ff-7f15-8d09-024180ba0c14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067192
StatusPUBLIC

Content hashes

Canonical text2c700d716a5edc63af93778dd26b7260a5d38be111a6e689ccfab17820a3a7c2
Markdowne703413f0fe574400ab5719a0de2ab195ff514f8752b757a99d4120f446482ad
PDF
Publication page0f4729633de1f7c35a46283bb119afc96b826d390a05e3ea01a9193178aa2d94
Manifestac8144cf4527f414d9b280e184db3fde322de72ff34df76e79eb249f47d410f2

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
Signature6aJYagG6ZUGNaGa1zV5A0lvH3mBhmTCAIxRfLSJwD19IUCyIau7bJ3FNPz2yqNPAjayRwxxeaOe30yS/IfJPDg==
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

2026-09-17T10:32:28.695759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067192
observed 0f4729633de1f7c35a46283bb119afc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:28.675918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067192/manifest.json
observed ac8144cf4527f414d9b280e184db3fde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:28.654633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067192/publication.md
observed e703413f0fe574400ab5719a0de2ab19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:28.626234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067192/publication.txt
observed 2c700d716a5edc63af93778dd26b7260...
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.