OpenTechnical

OT-2026-000033078

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000033078) never changes.

Identity and time

Publication numberOT-2026-000033078 · never reused
Internal UUID01a0ae75-4843-7126-8fc8-d9758cd2862b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033078
StatusPUBLIC

Content hashes

Canonical text33728b8b27c0a617453e45858c9c2d1f1f46c877bcd6e780519f953b09a99986
Markdown09d0b48296186459d5ef651d4ab290a113e3c06a99f9b01e38b3020a7d1ff3d0
PDF
Publication pageebc4819f14a0b1ddf55acc260cfbb8a40b7b785fb51bd2b55625742033f0f7d1
Manifest4078e3276200a29f08b1abbf7402e02be1438a8b56ee0263c11e8e7b29927b62

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
SignaturesWJjknCmgsoR0pxavLzpH5bw7RxP7eV+nDIY3Ub28JDr4MCH6qgsW5NZZauF64NdfQan3Po08Go8O3s8r7ZOCA==
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

2026-09-17T11:32:43.473162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033078
observed ebc4819f14a0b1ddf55acc260cfbb8a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:43.455223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033078/manifest.json
observed 4078e3276200a29f08b1abbf7402e02b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:43.438059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033078/publication.md
observed 09d0b48296186459d5ef651d4ab290a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:43.421296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033078/publication.txt
observed 33728b8b27c0a617453e45858c9c2d1f...
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.