OpenTechnical

OT-2026-000068905

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000068905) never changes.

Identity and time

Publication numberOT-2026-000068905 · never reused
Internal UUID01a0ae90-6dcc-7bc9-8659-c038d9392317 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068905
StatusPUBLIC

Content hashes

Canonical textd8e54e8ce40f5831226d98b954f09b2394876dfde978c9d9917a59313baa829f
Markdownf751095dae1497b75d822e9021687be929c90e8520f80f42383119956751094a
PDF
Publication pagebf2d3c1fd781875b7b6b0dd4b457ec08cdfda94686e6d880ed4e92a473a15a94
Manifestd0e2238b6984206d1f71531b64d0e56785c018b11f1b77951893350e2d0e8988

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
SignaturegqSo0PdcxvBBbgaXpmqWJPth25iUW6B9DJ4yMNPrwwaFnQ26uOoHrTJh6gfjsj6uXAh3l13lPWO+hZAcg/NHCQ==
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

2026-09-17T10:28:43.716114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068905
observed bf2d3c1fd781875b7b6b0dd4b457ec08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:43.698226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068905/manifest.json
observed d0e2238b6984206d1f71531b64d0e567...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:43.680977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068905/publication.md
observed f751095dae1497b75d822e9021687be9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:43.663146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068905/publication.txt
observed d8e54e8ce40f5831226d98b954f09b23...
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.