OpenTechnical

OT-2026-000004373

Publication integrity record

Vacuum cup gripper, two zone face, six outlet manifold, pump fed, contact triggered

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-2026-000004373) never changes.

Identity and time

Publication numberOT-2026-000004373 · never reused
Internal UUID01a0a915-8917-754c-bb90-bd1ed29cdfc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:19:15.993993Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004373
StatusPUBLIC

Content hashes

Canonical text7fc3ce7230771d7303208fd150678a19236fb09aba0acba7c2bdcd711e281457
Markdown98d4b24cab4ce4a6820236744caef7909c639306313145b98042aae61db100ad
PDF
Publication page7542b11b120f782b2a395b0e0239ac980dc0f00447d5a10c5c11acb04de39c4f
Manifestf891eebf78621c05a2cda211a3dd5f4eb1707dc875acd1776c1b209ac0161d80

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
SignatureoE5L73honKeJV61VDBIS+5TRglcfyZsU3wqHUbRMTytbE/wS81kSvFaFbM5fFSaH0M5RAINyXg/Oo9BaGpW7Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:20:05.208193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004373
observed 7542b11b120f782b2a395b0e0239ac98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:05.189297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004373/manifest.json
observed f891eebf78621c05a2cda211a3dd5f4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:05.167065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004373/publication.md
observed 98d4b24cab4ce4a6820236744caef790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:05.152277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004373/publication.txt
observed 7fc3ce7230771d7303208fd150678a19...
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.