OpenTechnical

OT-2026-000036443

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line 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-2026-000036443) never changes.

Identity and time

Publication numberOT-2026-000036443 · never reused
Internal UUID01a0ae77-01d1-755e-b6d6-44330225ded6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036443
StatusPUBLIC

Content hashes

Canonical text89d79b27a1055346eeb91af9c0899ef9849b8e7d23d0a4a70173f7c3a4dbb602
Markdown4fa3043e248e113e2a6b3912160afdb2cebdd317827a246debc260d33a708f11
PDF
Publication page4f7649ab15e875f51793caf021e058c8e70aed7b0f15fdd17c3bc37ea8846053
Manifest2833228e7c78ddbe72bb886d80470bb30b32908dfbaf50d43ae594e0722dd02e

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
SignatureD/n+Zu3tQ/xRkKgvoa6kGyN0Cmw+VBvUuqN+VPTC6fBUnxmMxANjd6f8WVdCnfgXWr3w2FzythgsqYUo5tJcBw==
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

2026-09-17T11:26:50.458190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036443
observed 4f7649ab15e875f51793caf021e058c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:50.440502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036443/manifest.json
observed 2833228e7c78ddbe72bb886d80470bb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:50.423654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036443/publication.md
observed 4fa3043e248e113e2a6b3912160afdb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:50.407874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036443/publication.txt
observed 89d79b27a1055346eeb91af9c0899ef9...
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.