OpenTechnical

OT-2026-000058291

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000058291) never changes.

Identity and time

Publication numberOT-2026-000058291 · never reused
Internal UUID01a0ae88-f398-7be3-a90c-fbcf0733a0f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058291
StatusPUBLIC

Content hashes

Canonical text75e82c13eb2edb448da5eeafbe1e5c979906bf91cb3005db5610657582cab0de
Markdownf243579d07ddb09098d34bc547b9f68e021203f6c933c431553213ff3ce8c30f
PDF
Publication page4202d34ee969b0846f44600be1658d8ff1cefdd4151db68a5243124276162316
Manifest43343e8e0dd5b2b07cfd265d9642782cb5ab858bbc86cd7d8b792e6d2cc2d2eb

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
SignaturemCBXVFNg6D8fwB574jFlXCHxwhh8Mhek7YVFuxWgyStFlOLKEFe3PJ1/tf89ua96YF2vtIxJk+9Zg3tgoeLgCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:41.087617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058291
observed 4202d34ee969b0846f44600be1658d8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:41.068321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058291/manifest.json
observed 43343e8e0dd5b2b07cfd265d9642782c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:41.050055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058291/publication.md
observed f243579d07ddb09098d34bc547b9f68e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:41.030800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058291/publication.txt
observed 75e82c13eb2edb448da5eeafbe1e5c97...
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.