OpenTechnical

OT-2026-000078295

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000078295) never changes.

Identity and time

Publication numberOT-2026-000078295 · never reused
Internal UUID01a0ae95-7c27-77e0-9ff3-8264a7885fba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078295
StatusPUBLIC

Content hashes

Canonical text665bc352907e7398dfb2bc4a5c1237784cff413f62448988ca0562656931dd2d
Markdown992f0c8358fc1c509ede4f4afa9925c75da4faab8e987e10ad328a36acfec681
PDF
Publication page8f593ef559f8df453541b54c00f9baadcd8afaff6dd7b4c4dc35e6cf6a27289a
Manifestd3f76f22a27e00ce517a28d40366d944a5236f217d3f07d7cd5e8bf6e8312d78

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
Signature4gi82GyS/G8aQSDWLJ2Q7foIHDWPbqHcdNxYeXv1bbxEeG1MH9x8lJfamii8rSVYiosjJQhnGkW+EsBuFRsFCA==
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

2026-09-17T10:06:15.551471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078295
observed 8f593ef559f8df453541b54c00f9baad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:15.533796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078295/manifest.json
observed d3f76f22a27e00ce517a28d40366d944...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:15.515469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078295/publication.md
observed 992f0c8358fc1c509ede4f4afa9925c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:15.496114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078295/publication.txt
observed 665bc352907e7398dfb2bc4a5c123778...
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.