OpenTechnical

OT-2026-000020950

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000020950) never changes.

Identity and time

Publication numberOT-2026-000020950 · never reused
Internal UUID01a0ae6f-65e4-7169-8dcf-4174e0a455f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020950
StatusPUBLIC

Content hashes

Canonical text9c36838f8671faa8b235b346213050abc9283e2b0f1ff73601092c962667ccc5
Markdown2fbd90715635da42d5264e7f287acec7cbad1d4edf23f96b4ddc69eca947a39a
PDF
Publication page37a50b5bd3aa3b128db87e5ec46d36f4397d001aebd65c57902692b9230076db
Manifest0e3b3fbbe16d9178ce82463d0fca265b2dcf68fcde045e414235a2ca3466fd14

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
SignatureUzbpV//5f+YlOOCpdHwry1gwKGIO9pKeikUHch3nEq/Hl4Q5Vw/7DWofbEIsZXN4tBirwqcWeuJXYSK6WrzrBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:56:05.436338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020950
observed 37a50b5bd3aa3b128db87e5ec46d36f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:05.413503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020950/manifest.json
observed 0e3b3fbbe16d9178ce82463d0fca265b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:05.390827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020950/publication.md
observed 2fbd90715635da42d5264e7f287acec7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:05.372164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020950/publication.txt
observed 9c36838f8671faa8b235b346213050ab...
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.