OpenTechnical

OT-2026-000080170

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000080170) never changes.

Identity and time

Publication numberOT-2026-000080170 · never reused
Internal UUID01a0ae96-7e76-76c3-b66b-dd0e3dabfa69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080170
StatusPUBLIC

Content hashes

Canonical textb15de681a64a06d880098ff4768bf85a76e9d310cc4d6dbdc08a554929b97fdd
Markdowndb3a3e9b9e308d570acbecde762ff0fcb4f60371039059c80408040675c2fd12
PDF
Publication page731c8d12dfe1e4d2df2dd255b6aaafe2f4bef27f9fef445e18df443d41c824f6
Manifest42e1db5373435bb4007dcc64cbbef0f8c18be41b47fd7ac4ee4bdb43e06784db

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
Signature7WyVqRdvMrOwrEWasorsRrfw07fW4q9RyO7eUZYqTzeKIlIi8cEQZnxqqLm4lxVtKR96PM4lvc4fBSX8MhYsAw==
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

2026-09-17T10:02:36.278438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080170
observed 731c8d12dfe1e4d2df2dd255b6aaafe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:36.258707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080170/manifest.json
observed 42e1db5373435bb4007dcc64cbbef0f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:36.239770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080170/publication.md
observed db3a3e9b9e308d570acbecde762ff0fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:36.219298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080170/publication.txt
observed b15de681a64a06d880098ff4768bf85a...
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.