OpenTechnical

OT-2026-000095919

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000095919) never changes.

Identity and time

Publication numberOT-2026-000095919 · never reused
Internal UUID01a0ae9f-fac8-7b74-be96-5f09d277a0e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095919
StatusPUBLIC

Content hashes

Canonical text4b9a2b9478cac5dcacfd6e70f75cd1e45cc7a8fc4134c207664845dc1438e129
Markdown31783755aeaa862af23671aa976b788973bd456c36c8ee29ac8db235c9988781
PDF
Publication page25fab4b0a01e4ef8aed7a1e3c5ac743d4b68a3035d8c9c435ca47cb4185e9352
Manifest28d92de2f745314ab7da8160e46319438e37e46616b45251f695f89c989b379a

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
SignatureDwmAF/4XCUb9318NORrnWaGG0/SoMwo5NYs2Jav50EcOka5LkgBXfWoxxMAEEucBfe2kxt71gXuhTfWpT85QBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:01.229478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095919
observed 25fab4b0a01e4ef8aed7a1e3c5ac743d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:01.210887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095919/manifest.json
observed 28d92de2f745314ab7da8160e4631943...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:01.191623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095919/publication.md
observed 31783755aeaa862af23671aa976b7889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:01.172193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095919/publication.txt
observed 4b9a2b9478cac5dcacfd6e70f75cd1e4...
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.