OpenTechnical

OT-2026-000033993

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed 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-2026-000033993) never changes.

Identity and time

Publication numberOT-2026-000033993 · never reused
Internal UUID01a0ae75-df0b-7312-81ee-9c76eb879b36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033993
StatusPUBLIC

Content hashes

Canonical text74500b1a21d81ad4135b220d3fa1d5debc65e4155f1894ca7f8125039b02fc23
Markdownc1c61039d22493ba384e771bdf396be913b397e49bfb029323b0958906486419
PDF
Publication page125b6a50a1f9220d306ab664d4502ac8bf6cc1abd3f1e048b391c753ef950bf5
Manifeste19efc1a335b70a9dc34dae5ed1e6a148725e60a9f2300679900a10cce97fead

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
SignaturednrEnicTh+J+tZa81YchB7BvAfBZxTXpBHBXRTpnjG5zbEdaEvbNXqFhcKcfVuK5AqpHE2ogZCzQrShTfDfCCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:08.064523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033993
observed 125b6a50a1f9220d306ab664d4502ac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:08.046640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033993/manifest.json
observed e19efc1a335b70a9dc34dae5ed1e6a14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:08.024567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033993/publication.md
observed c1c61039d22493ba384e771bdf396be9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:08.008983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033993/publication.txt
observed 74500b1a21d81ad4135b220d3fa1d5de...
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.