OpenTechnical

OT-2026-000084679

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, sustained blow-off before 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-2026-000084679) never changes.

Identity and time

Publication numberOT-2026-000084679 · never reused
Internal UUID01a0ae98-e25c-7a55-a667-42d3f907e3b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084679
StatusPUBLIC

Content hashes

Canonical text0ee09ed3349221e1f080c38f7df8c0d515a65335cca80799c876fb9658f22e72
Markdown7557ba6b16782b7bbb8ba0994ee66bc8571dcaf172bd1b2f598e9e48a3bdd9c0
PDF
Publication page59800a08e06166a4f4abc0e1166e03a1da0ad41355bb0c77b21c3b9ecf81dd9a
Manifestb50c73ea0a6581351443c641b4dfbd60108fb83c3bfdc2ae8140e0aedf57c7da

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
Signatures4zqFMmbdSZ4L0QfO3I7fzRZMYpVOrvffgcSvikPa/tVNyd3Aq1RRwLWT8/OMO42vE55GreJbBl9SmXYL+IsCg==
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

2026-09-17T09:55:36.339838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084679
observed 59800a08e06166a4f4abc0e1166e03a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:36.323268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084679/manifest.json
observed b50c73ea0a6581351443c641b4dfbd60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:36.304968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084679/publication.md
observed 7557ba6b16782b7bbb8ba0994ee66bc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:36.287518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084679/publication.txt
observed 0ee09ed3349221e1f080c38f7df8c0d5...
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.