OpenTechnical

OT-2026-000074316

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, vented before 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-2026-000074316) never changes.

Identity and time

Publication numberOT-2026-000074316 · never reused
Internal UUID01a0ae93-7179-7b0a-9953-73286dcf884d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074316
StatusPUBLIC

Content hashes

Canonical textf5d6e94e3831cd97275addcbdabb1d8d128914a2e07790cb1bc12ae08c66debf
Markdown496ef6cdd0cf1d0dfd19c5a49817727c657b8f41f21ce53cf65379e022782a62
PDF
Publication pageb1cd4200a554f05f3871442fb670a7503d2624205c7b490c8eb29c5fd9af7998
Manifest9236ee90862799d48ae3914ffcb5b00e4a56a43ebc675e707c3b501ce531f33d

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
SignatureL9vxhVb5zQtsEkxXGkcQoOy7KHwPQJzsrPBc+3HcKUmSak93Hwq4dtgORa5wVbQu0ILyEgeycWkMS+Pr7/ObDw==
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

2026-09-17T10:19:13.695036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074316
observed b1cd4200a554f05f3871442fb670a750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:13.677896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074316/manifest.json
observed 9236ee90862799d48ae3914ffcb5b00e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:13.659055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074316/publication.md
observed 496ef6cdd0cf1d0dfd19c5a49817727c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:13.642033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074316/publication.txt
observed f5d6e94e3831cd97275addcbdabb1d8d...
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.