OpenTechnical

OT-2026-000088452

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000088452) never changes.

Identity and time

Publication numberOT-2026-000088452 · never reused
Internal UUID01a0ae9b-5d28-753f-b0fd-b7397705050c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088452
StatusPUBLIC

Content hashes

Canonical texte43af61debf1e412a6cb1861e9d20987243b0d2ffa25c0ac47b3e19cb0a20a69
Markdown1a4be59644c82e2a0ab502097e07a21b2340d0bc684613066ce237cdbd4ead22
PDF
Publication pageef46aeef72719431dfc4d04523c4882b187de5ea8d90396eed44cabee764a6d6
Manifest157fe408b596320282f8d2a02dc71315a1416fe21ef4669c56db5ecbcc5b7a9f

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
SignatureCNKuxS8tWrjVED5EuU3gToGHEujMln09+VSyb5bVvG+4Z7Uu74QvRoAJgc3/x8+j8JZoLTIktXdnoDCC8RnJDA==
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

2026-09-17T09:48:49.893232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088452
observed ef46aeef72719431dfc4d04523c4882b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.875835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088452/manifest.json
observed 157fe408b596320282f8d2a02dc71315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.858409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088452/publication.md
observed 1a4be59644c82e2a0ab502097e07a21b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.841011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088452/publication.txt
observed e43af61debf1e412a6cb1861e9d20987...
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.