OpenTechnical

OT-2026-000084158

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000084158) never changes.

Identity and time

Publication numberOT-2026-000084158 · never reused
Internal UUID01a0ae98-5b5f-74d2-b618-57c9053d1268 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084158
StatusPUBLIC

Content hashes

Canonical text50f095829d523d9efa49c5353b521efcdac2900c0f51b4912ea190d291865e04
Markdown58cf0f0bc1c80ab078feb3a9a0d03b41d1bb503351717af7a540b4c0d6139c11
PDF
Publication page3b5aed03f51e88293ea0ee89e5dbec62c131db115de8aa81447be08c504a7662
Manifest1f65524aacdcba0ac47c4aefeac348286d327fc21b9030dfc41fdabb6a4128be

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
SignatureYTAksGRijRVc4QIybapJ/td+ygHltAyNtiyIzAyDJxW39xqOodAKPOIQgwGGUCj3D1uedrntfTdmir5fDLNKCQ==
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

2026-09-17T09:55:55.778453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084158
observed 3b5aed03f51e88293ea0ee89e5dbec62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:55.758661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084158/manifest.json
observed 1f65524aacdcba0ac47c4aefeac34828...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:55.740135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084158/publication.md
observed 58cf0f0bc1c80ab078feb3a9a0d03b41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:55.720227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084158/publication.txt
observed 50f095829d523d9efa49c5353b521efc...
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.