OpenTechnical

OT-2026-000012397

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed blow-off before 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-2026-000012397) never changes.

Identity and time

Publication numberOT-2026-000012397 · never reused
Internal UUID01a0ae6d-39f6-761c-a314-ee665c7ac177 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012397
StatusPUBLIC

Content hashes

Canonical text1c3b12aa26191b8760d24280344942120e219fc64107af59dc8cfd7e1307ed0e
Markdownb4516b423c408f71a844aa0bbf05397738c7ad8a0fb78ac593b7d6f8be6e4fb2
PDF
Publication page514e48319a1cb62d2d15d79ab937fba08602dbe5b7c9bcbf00e0e50f01552e13
Manifested353f4d1087c006efc7698c012e27936c3646e957f879174f99a1308bd53e80

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
Signature3+uvHc4kdD6d/bNqlvrk+ekgnnahvrpLFx0qjTz1ufS4pyRA1iRM4kq6DTD4jgg3VHEDhh0zspoa1dpD6FaNCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:11:53.342115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012397
observed 514e48319a1cb62d2d15d79ab937fba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:53.323515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012397/manifest.json
observed ed353f4d1087c006efc7698c012e2793...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:53.305596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012397/publication.md
observed b4516b423c408f71a844aa0bbf053977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:53.284807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012397/publication.txt
observed 1c3b12aa26191b8760d2428034494212...
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.