OpenTechnical

OT-2026-000082398

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000082398) never changes.

Identity and time

Publication numberOT-2026-000082398 · never reused
Internal UUID01a0ae97-4d96-7f24-bed9-b950d9c09e8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082398
StatusPUBLIC

Content hashes

Canonical textc4b069f04c18c3e5468eb802aecf40b5221db2350fc33f2c8d9e81604884f41f
Markdownd6dcc7ca706cb90f99b341b3a56abeb4bae9d04dad260e5e6bbcd530f7dd66e5
PDF
Publication page7213ba4fd32cb0fb029fcbc1076f63179f780e0b6c8fa60e19c55bd1694d92c8
Manifest6ca29c5e9e81372168d648833003c4a886d58910129eec2fd0b21a55b9a3e7c0

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
SignaturenHQAlyK2QIcC15Kjtzzfmj97EgRMy9rREG+9cLtAdS52gTGLJIjVTgfcdxZ3KtulT1oMpUtq9dFqDpYengmhDg==
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

2026-09-17T09:59:16.869358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082398
observed 7213ba4fd32cb0fb029fcbc1076f6317...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:16.851801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082398/manifest.json
observed 6ca29c5e9e81372168d648833003c4a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:16.833769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082398/publication.md
observed d6dcc7ca706cb90f99b341b3a56abeb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:16.815182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082398/publication.txt
observed c4b069f04c18c3e5468eb802aecf40b5...
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.