OpenTechnical

OT-2026-000020842

Publication integrity record

Four pad foam vacuum gripper, four 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-2026-000020842) never changes.

Identity and time

Publication numberOT-2026-000020842 · never reused
Internal UUID01a0ae6f-65e3-7b3b-85b2-aa04f976996a · 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-2026-000020842
StatusPUBLIC

Content hashes

Canonical text57c42d92cc4e8ac2b76af2067e55f4d17aa233e337f9cf9397fe7ac9932f07fa
Markdown6c4096ab8dca43a2b3b727012d572becbbbf9547cf6793d448b87bcbc7b562db
PDF
Publication pagefba0bb9d7caed696eff38d6d8ea5d66e6f0bd66066a1fe3abfab1da536396188
Manifestf8063c80225bc825b3c66e9fae89227898446a79bdee2223b34ab38d7d0d8b17

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
Signaturei5cvHUbKr+Hhgeo6u/8ABiiO7yIxqUC9fV8JcKlVJ3ymhMj34NxQpXmpfJXrUuSVfxiuT+5sXXXv2UmnOJ8sCw==
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

2026-09-17T11:55:56.385159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020842
observed fba0bb9d7caed696eff38d6d8ea5d66e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:56.366527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020842/manifest.json
observed f8063c80225bc825b3c66e9fae892278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:56.349772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020842/publication.md
observed 6c4096ab8dca43a2b3b727012d572bec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:56.332456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020842/publication.txt
observed 57c42d92cc4e8ac2b76af2067e55f4d1...
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.