OpenTechnical

OT-2026-000034752

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000034752) never changes.

Identity and time

Publication numberOT-2026-000034752 · never reused
Internal UUID01a0ae76-1ed2-7362-9129-163b2321ee1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034752
StatusPUBLIC

Content hashes

Canonical text6c7cc9feace22ed9bff489f4f7d7552d51656d614bcbfb7d6fc2384fd6a6d8ff
Markdownc774a532d5f2558f1051230e37df0c336b9b7b803caebec90986b44e4cf9d147
PDF
Publication pageeac7bf93d7658b00bd0134e036468a774589d01996a8a67b9473288e023cc591
Manifestccd3fcf64d95e9a3894d53313f28d70ae44341de696fb72dbcf291af15005c9e

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
SignatureEUTwg6YWa3Ei57iukX+v10h1F5gbwiQl8torhtn5P/v4tksB1d5faGDicxaNPbcbFG8SWqBodY+2b/paz0wuAQ==
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

2026-09-17T11:30:14.437115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034752
observed eac7bf93d7658b00bd0134e036468a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:14.411377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034752/manifest.json
observed ccd3fcf64d95e9a3894d53313f28d70a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:14.392284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034752/publication.md
observed c774a532d5f2558f1051230e37df0c33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:14.369943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034752/publication.txt
observed 6c7cc9feace22ed9bff489f4f7d7552d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:42.808442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034752
observed eac7bf93d7658b00bd0134e036468a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:42.790217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034752/manifest.json
observed ccd3fcf64d95e9a3894d53313f28d70a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:42.770901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034752/publication.md
observed c774a532d5f2558f1051230e37df0c33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:42.751708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034752/publication.txt
observed 6c7cc9feace22ed9bff489f4f7d7552d...
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.