OpenTechnical

OT-2026-000102293

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000102293) never changes.

Identity and time

Publication numberOT-2026-000102293 · never reused
Internal UUID01a0aea4-50f3-7ee8-b309-c4cfbff1232d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102293
StatusPUBLIC

Content hashes

Canonical text266c25e26a92cc60398b95ed46b711a7c36c27bfee251f7ad785686287b13f38
Markdownbe1b04aa364ac2501945f11e14b3e43bf651705c601ebddcc7aefbc2b2b489d6
PDF
Publication page217e726e22063a25a503da2230207e59343925ab305f6a3a9e3f4209aa29f512
Manifest243c02c1c5cdeeb1a608824efa91e5ff584e14d8d764fd13bc9c92c0c5802e0b

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
SignatureiI9x/Ow4ebH2VchWhsdvv4vKcnlgtydqeY7dgN6OCBLJYQECokX7MzXjMnZO+frug5JbU1r4jPCQh2bGTTFfAA==
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

2026-09-17T09:25:29.164523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102293
observed 217e726e22063a25a503da2230207e59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:29.145997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102293/manifest.json
observed 243c02c1c5cdeeb1a608824efa91e5ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:29.125459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102293/publication.md
observed be1b04aa364ac2501945f11e14b3e43b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:29.109031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102293/publication.txt
observed 266c25e26a92cc60398b95ed46b711a7...
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.