OpenTechnical

OT-2026-000094081

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000094081) never changes.

Identity and time

Publication numberOT-2026-000094081 · never reused
Internal UUID01a0ae9e-92ca-76d0-baa4-753d4c8b2a91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094081
StatusPUBLIC

Content hashes

Canonical textc3efa9217d99181743b10779d2df93ebbd000bec204ddb10ef50033a1cf109db
Markdown5493d450b28f65ea9b82b6187d2cb864b07e818caf120abb1f66e16d5a31562f
PDF
Publication page442216b5eb3ea1bdaa1ab63bd38198abc17bfc9a44f87da01c42f7290efbddeb
Manifestea0be038647b122cdf2017de0d65c63c498afef03e03084b66fbd0aab6d43c77

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
SignatureFGwXBt9ZJClxka7Z34dyiwPoQyNEFeNBaDJAiCgO45WMg60Vd8zdZYwEUf48WlRSPobJdTKhV7dZ8LHnrP9BDg==
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

2026-09-17T09:38:30.770275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094081
observed 442216b5eb3ea1bdaa1ab63bd38198ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:30.753137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094081/manifest.json
observed ea0be038647b122cdf2017de0d65c63c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:30.734483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094081/publication.md
observed 5493d450b28f65ea9b82b6187d2cb864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:30.715842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094081/publication.txt
observed c3efa9217d99181743b10779d2df93eb...
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.