OpenTechnical

OT-2026-000078022

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, vented after 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-2026-000078022) never changes.

Identity and time

Publication numberOT-2026-000078022 · never reused
Internal UUID01a0ae95-2f44-7b2f-a599-743a8b55940f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078022
StatusPUBLIC

Content hashes

Canonical text44df377da6558536c7eb1f4ec0807a09585337d0510054720256ce16bc3bc0d3
Markdowneeff70b715fb0d90e18eac82c688ae85a3af1bf948300a8578eaf7fa3270b2fd
PDF
Publication pagee69ba0e96e77cfe8d53648d2cc06e003ba780cde6f7fc6f1706a2d0697d1b8e7
Manifest7cd4d281309c79750991456d608735e1e148bacdee4ff9991c64453869d54893

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
SignaturesS0qPWhB0lTaLkxs7tv9Hol+JnMJ7bWV1rynMv5zqoKk0v/hyObR7PAFsRFnBgqn3JYjNbYIEoaiJk9aUBogAQ==
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

2026-09-17T10:10:33.002258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078022
observed e69ba0e96e77cfe8d53648d2cc06e003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:32.984399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078022/manifest.json
observed 7cd4d281309c79750991456d608735e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:32.966345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078022/publication.md
observed eeff70b715fb0d90e18eac82c688ae85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:32.947504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078022/publication.txt
observed 44df377da6558536c7eb1f4ec0807a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.749007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078022
observed e69ba0e96e77cfe8d53648d2cc06e003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.730679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078022/manifest.json
observed 7cd4d281309c79750991456d608735e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.708771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078022/publication.md
observed eeff70b715fb0d90e18eac82c688ae85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.689907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078022/publication.txt
observed 44df377da6558536c7eb1f4ec0807a09...
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.