OpenTechnical

OT-2026-000091810

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091810) never changes.

Identity and time

Publication numberOT-2026-000091810 · never reused
Internal UUID01a0ae9d-43ba-74e1-8301-5eb994f4ce38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091810
StatusPUBLIC

Content hashes

Canonical textaa912c31a4e4c0e83d75e6cdafa07ad4b245330d7ff97b61c6e2e0dd00e04d35
Markdown75a0df1fd87ef1108434a602fd824297830165f816541212da55e0bc172979f2
PDF
Publication page442c7033e1e8653a0580be0245a3200a4ec1cab3d7b2494a48fb3ceee98a9b9a
Manifeste70602dec86f67ada6f9979b4e01d03deb3b210965ac4b0489148c5d27832052

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
SignaturevmNUertdK8HCLLjn6dpOIWs3XClDnrPvYCymwFksVPDl6EC/pmvy4fMxASGOaoPrtbXkAsMtrEHpdA4KmWVDAQ==
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

2026-09-17T09:42:42.822697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091810
observed 442c7033e1e8653a0580be0245a3200a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:42.804096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091810/manifest.json
observed e70602dec86f67ada6f9979b4e01d03d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:42.786062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091810/publication.md
observed 75a0df1fd87ef1108434a602fd824297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:42.769120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091810/publication.txt
observed aa912c31a4e4c0e83d75e6cdafa07ad4...
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.