OpenTechnical

OT-2026-000075226

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000075226) never changes.

Identity and time

Publication numberOT-2026-000075226 · never reused
Internal UUID01a0ae93-f200-717c-a404-a0ee4a703540 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075226
StatusPUBLIC

Content hashes

Canonical text30c6aa0562c8d7b285352ea7fef6cc30ec77db3ad0699b0423696161511101a9
Markdown19d95351bd6e787b742eb12438da2b3c1188950b986a0cac573c49fd57908f00
PDF
Publication page32f2bfb2fd07aea826e9a552dfec505a268d0456d2fa6c317d14bb3782c99655
Manifestc42f9257767b557816ab4feba242223fd03d455d6d9d483d87a35ecdfee63010

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
SignatureEKoImyp5eOzR//Ve93+xz3Q9eUiMSOMve2uWdPpduP3zgoVIedyHf0PdJtYFZQUNsgD9pjScu94ijRa7ByHEBg==
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

2026-09-17T10:20:30.547295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075226
observed 32f2bfb2fd07aea826e9a552dfec505a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:30.528388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075226/manifest.json
observed c42f9257767b557816ab4feba242223f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:30.509365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075226/publication.md
observed 19d95351bd6e787b742eb12438da2b3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:30.488705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075226/publication.txt
observed 30c6aa0562c8d7b285352ea7fef6cc30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:46.810468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075226
observed 32f2bfb2fd07aea826e9a552dfec505a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:46.790376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075226/manifest.json
observed c42f9257767b557816ab4feba242223f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:46.298359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075226/publication.md
observed 19d95351bd6e787b742eb12438da2b3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:46.277754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075226/publication.txt
observed 30c6aa0562c8d7b285352ea7fef6cc30...
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.