OpenTechnical

OT-2026-000081453

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, 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-2026-000081453) never changes.

Identity and time

Publication numberOT-2026-000081453 · never reused
Internal UUID01a0ae96-f375-7c76-a1c8-b203e3e4139e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081453
StatusPUBLIC

Content hashes

Canonical text605560315045f6b6498693dec8a1884a2a43c9b520190bc7079af4dcc652a3b6
Markdown14ad71d0fad1619f018ca863eac09ae012b65bdded6fb9c6c7930e0d04271e74
PDF
Publication page433ef49075190717aa473ab0cb115c1b2f9936bd5d522d7544579914ecdd0490
Manifest0fb1489e5e92652db248c7bc0233aa6212bdfabb4bd404784abe6707f769f5f3

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
SignatureiYmMomNHk4/7lHFqRJTg5yPsRMr9OqW4xzZF4BRugxk2Tfgge8u6GWmLl/sBuUOyvpJqaE/DPpfNoSSiTLaHBw==
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

2026-09-17T10:01:36.893818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081453
observed 433ef49075190717aa473ab0cb115c1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.876580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081453/manifest.json
observed 0fb1489e5e92652db248c7bc0233aa62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.858564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081453/publication.md
observed 14ad71d0fad1619f018ca863eac09ae0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.842500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081453/publication.txt
observed 605560315045f6b6498693dec8a1884a...
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.