OpenTechnical

OT-2026-000067133

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-2026-000067133) never changes.

Identity and time

Publication numberOT-2026-000067133 · never reused
Internal UUID01a0ae8f-14ff-760d-a8e7-b4e99a0b3f3a · 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-2026-000067133
StatusPUBLIC

Content hashes

Canonical texta9a173d5865b74e37676b09597d1e219a386de84f441b271af58728e0812ccd0
Markdown570f6d00bd552269ad1394a404e0131ca2ff21a666cdac2ffa2e8b0d61952072
PDF
Publication page4fe0a0626799cb718783789b13b424b2254ae61c28903b8a9e6e1b86c7e3e8b9
Manifest4db88a2d7f7159b09950e7ba545265c3386e3bb0ee7ef84c466f2f31f03b4cf1

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
Signature9gR1onDg8VHIfsAh2PRlqnAsb3dLNiivO00yrxYamkTHZCYpjTaAXNL29PUtYlQmACuMkGf/2B3QS6PG8HeZDQ==
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

2026-09-17T10:32:24.434668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067133
observed 4fe0a0626799cb718783789b13b424b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:24.416309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067133/manifest.json
observed 4db88a2d7f7159b09950e7ba545265c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:24.399896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067133/publication.md
observed 570f6d00bd552269ad1394a404e0131c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:24.382255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067133/publication.txt
observed a9a173d5865b74e37676b09597d1e219...
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.