OpenTechnical

OT-2026-000080862

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000080862) never changes.

Identity and time

Publication numberOT-2026-000080862 · never reused
Internal UUID01a0ae96-b974-799d-a83c-53c66bba235b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080862
StatusPUBLIC

Content hashes

Canonical text085f917e4d7a2df2d4b5fa7d983abf1eda90ca8abcce5395a627e9ea46c8e4dc
Markdown02c61ec989a066165346d77d503cddc8b3b2793b3cb57a6cee9a3f751887cb84
PDF
Publication pagef25106a2568701c41566819b9847318f23bdea5c3eb874b42bcc6032c1943439
Manifestcb0d009a28e956ba8569907ce4a0ac9ce75cb31234c116134114cfd2e3cad15c

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
SignatureDNp4pC6BL6QtT55gfweWBr7cFsv1dEg6WoiwMFc8y4OJ5yX2o+qLVafSpi4JssT+yrk8mTIxlaugiSj7qZVQDA==
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

2026-09-17T10:02:03.422943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080862
observed f25106a2568701c41566819b9847318f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:03.405636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080862/manifest.json
observed cb0d009a28e956ba8569907ce4a0ac9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:03.388668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080862/publication.md
observed 02c61ec989a066165346d77d503cddc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:03.369941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080862/publication.txt
observed 085f917e4d7a2df2d4b5fa7d983abf1e...
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.