OpenTechnical

OT-2026-000031433

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000031433) never changes.

Identity and time

Publication numberOT-2026-000031433 · never reused
Internal UUID01a0ae74-87ad-7ba8-b053-0e4017b723ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031433
StatusPUBLIC

Content hashes

Canonical text51eb85275d91b848328bcebca9da7e02dd94fca3f3a3834bd7bc3fc4da039e46
Markdownf65fda4a4360a89073bb32360232c193f415f7c9fe0fdc8b83ffa91cec8043e7
PDF
Publication page49aa1d4f33aa1f35328b18a2d4ba4f74e10cd9b9a35f2853030cddf6921d03f5
Manifestdf7e17f5ef88645733fc379f618d3acfdffbf2e23342629adf7b81efcc809906

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
SignaturejzppbA12RIMj29ikrshgLpaXY9lfs59/OXCg9bmWG0yFpwVZGMCkncdnNnzA1M+XL434qbIM2zozCOB0hqdVAw==
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

2026-09-17T11:36:09.272813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031433
observed 49aa1d4f33aa1f35328b18a2d4ba4f74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:09.253426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031433/manifest.json
observed df7e17f5ef88645733fc379f618d3acf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:09.235941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031433/publication.md
observed f65fda4a4360a89073bb32360232c193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:09.217622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031433/publication.txt
observed 51eb85275d91b848328bcebca9da7e02...
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.