OpenTechnical

OT-2026-000074212

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line 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-2026-000074212) never changes.

Identity and time

Publication numberOT-2026-000074212 · never reused
Internal UUID01a0ae93-7178-761a-9652-0d09bb0b263d · 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-2026-000074212
StatusPUBLIC

Content hashes

Canonical text66f8e5fd6aa4c10471605dd98216e2dd8c08341bce69802e4bd3b7fa21e583d9
Markdown87640e9bad8453cfcbc2d439ba07ead0391bb4575b94796ebf87f81b8cb5f65e
PDF
Publication paged30470b40b9c7439d5a3d410c8cc00e0a77aeb71ea12043d7c2678ca837652cd
Manifest7818bff8497a937ba61410821335899e1d95ac013975215fe9c7c05800966c78

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
SignatureD3mpGRgPLJB32840yf3Zg3pyVSeBfK+Zc40ypZC4BYe9okNeA5f/K4WZfI15v9w+ObGBW/zxCwZLWtaCXt4yBg==
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

2026-09-17T10:19:04.232960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074212
observed d30470b40b9c7439d5a3d410c8cc00e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:04.214620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074212/manifest.json
observed 7818bff8497a937ba61410821335899e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:04.194842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074212/publication.md
observed 87640e9bad8453cfcbc2d439ba07ead0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:04.175046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074212/publication.txt
observed 66f8e5fd6aa4c10471605dd98216e2dd...
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.