OpenTechnical

OT-2026-000069438

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000069438) never changes.

Identity and time

Publication numberOT-2026-000069438 · never reused
Internal UUID01a0ae90-b52a-7f12-9b15-bf23da52d7b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069438
StatusPUBLIC

Content hashes

Canonical textfbec24834cfa520074b3c2c5655d7948010c30f4c635bcc04d0cf45fcd285ae4
Markdown050c91d82d62b364dd5d63255a911a776ea11a1b8bf0be0f1d5fc20fcba73fc6
PDF
Publication page184f714fb79173f1812745d9fa35a7fb2ef4b891c7fd95bd9bbd98a89f529618
Manifestdd3ad25fa9564279fe71b22d35f5853512152bbc2c5db7b289871f19975d2908

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
SignaturepsEqk7NN2HeAiDii3svb0ZgkcgbD0YwG7VWHPsxf5RsKGaxqmEHEtKdXcIin5PhI8cLloKSUADwOzlmCi3vNAg==
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

2026-09-17T10:30:30.367951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069438
observed 184f714fb79173f1812745d9fa35a7fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.349143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069438/manifest.json
observed dd3ad25fa9564279fe71b22d35f58535...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.329648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069438/publication.md
observed 050c91d82d62b364dd5d63255a911a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.310450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069438/publication.txt
observed fbec24834cfa520074b3c2c5655d7948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.324906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069438
observed 184f714fb79173f1812745d9fa35a7fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.306842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069438/manifest.json
observed dd3ad25fa9564279fe71b22d35f58535...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.289393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069438/publication.md
observed 050c91d82d62b364dd5d63255a911a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.272503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069438/publication.txt
observed fbec24834cfa520074b3c2c5655d7948...
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.