OpenTechnical

OT-2026-000092254

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, supply line 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-2026-000092254) never changes.

Identity and time

Publication numberOT-2026-000092254 · never reused
Internal UUID01a0ae9d-875b-7c50-9284-a2e34bbc6c4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092254
StatusPUBLIC

Content hashes

Canonical text2c9ecbd2b1686038bac32b279d846b5d79c0de0d4bb2242f685b439e17f98762
Markdownde23131ef59a856e33a92437e486dd6602bff7c5330b0915e10c2e53f1f3f4d3
PDF
Publication page5d197cab37f55f833351015de62ab9a6a0e7040f17873923726c863795975f07
Manifest3502c2f23f3e914287a1b90b5f907e9dfb4d3927c9d27ad7b39bbfb979ed25bc

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
SignatureD61kRpCNkRiKyk6nVHfViABqEKRyd3+sRHNiYVVKs7UiPJe7Ox10cA5ZU63NpKCSCeGlf1y5hL/MHmMXvSJ6BA==
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

2026-09-17T09:41:46.813414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092254
observed 5d197cab37f55f833351015de62ab9a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:46.785556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092254/manifest.json
observed 3502c2f23f3e914287a1b90b5f907e9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:46.768026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092254/publication.md
observed de23131ef59a856e33a92437e486dd66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:46.738077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092254/publication.txt
observed 2c9ecbd2b1686038bac32b279d846b5d...
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.