OpenTechnical

OT-2026-000009451

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000009451) never changes.

Identity and time

Publication numberOT-2026-000009451 · never reused
Internal UUID01a0ae6b-7562-7577-8994-99c41d1df2a1 · 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-2026-000009451
StatusPUBLIC

Content hashes

Canonical text61d6b1c7363dbdd7ded1e9884d8b291f6d06d95164f900bd761a987e4d22bb86
Markdown375163e3f548764c3eac9b5e66446b823fa0cf5ae0e77bdfa0cfba68f0213ed7
PDF
Publication pagee23be47274c7a87e05089745b85918f837d08aea87a4c6488da34a93c4f605ef
Manifest234615ee21a14e253fee3e3ac2db1ceb4f96d69a80b1fc83a3ce47e581d5239d

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
SignatureTP59Px7Vdd+HWGHXgulxEwhag6+U4P9ctem9h5/PpTm+tuPkkMggi3pETO5twHyF4UNrVGCcPZv5U8TfPkInDQ==
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

2026-09-17T12:16:50.067632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009451
observed e23be47274c7a87e05089745b85918f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:50.048812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009451/manifest.json
observed 234615ee21a14e253fee3e3ac2db1ceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:50.029982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009451/publication.md
observed 375163e3f548764c3eac9b5e66446b82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:50.009446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009451/publication.txt
observed 61d6b1c7363dbdd7ded1e9884d8b291f...
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.