OpenTechnical

OT-2026-000079822

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000079822) never changes.

Identity and time

Publication numberOT-2026-000079822 · never reused
Internal UUID01a0ae96-4376-71d8-b0dc-d802f1f173d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079822
StatusPUBLIC

Content hashes

Canonical text4dc88f562f544880fcd247a43efb2f3908ee207c5077dedde7ec1b0f680302c9
Markdownf605315721af4db16bdafb538c134234471cdda44640769efbdeb2db1e931173
PDF
Publication page1f34bc7ab3b146cd95f063ba370cb1ed8dfdc3c2a8a5714ae38ea7a3d90993c9
Manifestccdf6aed4ef9b3338eba96076b217bf35b3e7be9e467f87284546a52f3a16666

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
Signature0suJUcTv+tP5+TZDbEvC8greZpqsL93rOOojUrAVuRTRSGoOwDsRS289TrsyYETXNyvNSwLOH8yKi207F8ukDg==
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

2026-09-17T10:03:42.228726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079822
observed 1f34bc7ab3b146cd95f063ba370cb1ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:42.208526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079822/manifest.json
observed ccdf6aed4ef9b3338eba96076b217bf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:42.189211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079822/publication.md
observed f605315721af4db16bdafb538c134234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:42.170193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079822/publication.txt
observed 4dc88f562f544880fcd247a43efb2f39...
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.