OpenTechnical

OT-2026-000009501

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, vented after 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-2026-000009501) never changes.

Identity and time

Publication numberOT-2026-000009501 · never reused
Internal UUID01a0ae6b-7562-7cdb-8f4b-56c4074e37bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009501
StatusPUBLIC

Content hashes

Canonical textf7c321de807b76042165192523cf56186a202ee900807dda21299bfd82b8b4cf
Markdown41df636cc5ffe9650887e2cda72df0388d0f2db1fbe6a03468b5bec0dcf1278c
PDF
Publication page44c99b96b508399f1e7e9b8fd00a477503161c676054eb3bf596d6a2b9f1f282
Manifestffd248f2b4ea7151887cc392fd430c0aca404aace45102754c1ec9179acadc4e

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
SignaturejBKrcUca0pitFYEebWDDANvqglNERdEBUyfNcKdgrf6HtCH2jkP+UdWi2ajQvOR8jxSbiQfhuUNlJ4pDH1p9CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:54.475416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009501
observed 44c99b96b508399f1e7e9b8fd00a4775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:54.456471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009501/manifest.json
observed ffd248f2b4ea7151887cc392fd430c0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:54.437748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009501/publication.md
observed 41df636cc5ffe9650887e2cda72df038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:54.418261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009501/publication.txt
observed f7c321de807b76042165192523cf5618...
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.