OpenTechnical

OT-2026-000012398

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000012398) never changes.

Identity and time

Publication numberOT-2026-000012398 · never reused
Internal UUID01a0ae6d-39f6-7250-9c08-daad4b0de456 · 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-2026-000012398
StatusPUBLIC

Content hashes

Canonical text3dea51362d5e5300ab7c76bff80a466aa482c1076e73ed1212f53d761ea1096d
Markdownb369d6f2ce50e8cd118aae8d8c53f5c51c86ee081075e8564c14b5fadc55f4e6
PDF
Publication page1785b40b21c3eb2b3b1a36c1d07385ec23b3a416561f9b790137956e3608916e
Manifestccf8e1715f1f01f2065ca8ea41d6e5577f7a1cfe9722507426072c4517bfd893

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
SignaturewdxcmiFUbv9TRPrzmt7DkJ/LBbegW6jb7quURfL/frfV8iFIB4hhlcUiSDByZ9pp3jqB33e/BcTxqa1TrT4dBg==
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

2026-09-17T12:11:53.414454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012398
observed 1785b40b21c3eb2b3b1a36c1d07385ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:53.398174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012398/manifest.json
observed ccf8e1715f1f01f2065ca8ea41d6e557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:53.380530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012398/publication.md
observed b369d6f2ce50e8cd118aae8d8c53f5c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:53.360783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012398/publication.txt
observed 3dea51362d5e5300ab7c76bff80a466a...
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.