OpenTechnical

OT-2026-000075476

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000075476) never changes.

Identity and time

Publication numberOT-2026-000075476 · never reused
Internal UUID01a0ae93-f201-78b9-800a-3f0d91354add · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075476
StatusPUBLIC

Content hashes

Canonical texta58a9bbf8bbe2d47f03d0f6f6c322cbdea1a13a1d9e7fcc2f2375f5fe8523067
Markdownb2cc1de286db14b07626573be4b26206b9f090673a3ae34b0417a95c43d4e600
PDF
Publication page96d9f7bbb7e22b749ae5ae7b932bf127157ad2af66a8b6925e020e54782bc21b
Manifest628d47cc6f057f6a879aa8f40ab3877b01f6b293f38d7612f627447e38b3f04e

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
SignatureTBYKv0+qUsgxVxKAMs4/f9kgB1bdz/wttbK3+LXHvnJN/uq+Ikx2PbIPkO6mYcVN5hjgOoI+8jsSNXLmhVglDw==
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

2026-09-17T10:17:47.305014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075476
observed 96d9f7bbb7e22b749ae5ae7b932bf127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:47.287329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075476/manifest.json
observed 628d47cc6f057f6a879aa8f40ab3877b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:47.267799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075476/publication.md
observed b2cc1de286db14b07626573be4b26206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:47.248472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075476/publication.txt
observed a58a9bbf8bbe2d47f03d0f6f6c322cbd...
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.