OpenTechnical

OT-2026-000076159

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000076159) never changes.

Identity and time

Publication numberOT-2026-000076159 · never reused
Internal UUID01a0ae94-6a6f-75cd-a9a4-b6f0bd2f7ca0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076159
StatusPUBLIC

Content hashes

Canonical text36b1938d12f598eabbaa3540ad9189f5d136aadb407c4bb60784a050694daa72
Markdown46636de10a7df0834b69612e80d5ba5128a271b1b0a2fc665d78acc779a7f754
PDF
Publication page0ae57794f4964083f91f64879bf3cc58722376887f4cdde407ead5b545bcee94
Manifestd6597bcd865e58eaa6512a529cb914ff09df0a60ac72bb484c0a84ff9aaae03f

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
SignatureX5k63EFRP/39JOANUNNVwPneOcqjDni6qnRPSXM9DAPOqiJiG4eGrsDhyXkV9I3u4Sk4xfPf2Ww9+EnS1PYhBg==
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

2026-09-17T10:11:20.226092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076159
observed 0ae57794f4964083f91f64879bf3cc58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:20.203792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076159/manifest.json
observed d6597bcd865e58eaa6512a529cb914ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:20.062360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076159/publication.md
observed 46636de10a7df0834b69612e80d5ba51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:20.031185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076159/publication.txt
observed 36b1938d12f598eabbaa3540ad9189f5...
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.