OpenTechnical

OT-2026-000038490

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000038490) never changes.

Identity and time

Publication numberOT-2026-000038490 · never reused
Internal UUID01a0ae78-2d53-75cb-b471-51a8e3b43900 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038490
StatusPUBLIC

Content hashes

Canonical text0b6ca32782018f881e9e25200d6a821aff9d75e189164a81b7cf97a4974b694e
Markdown434579d5f149e1902b0cf98b2db919cb9733404dc0c8023e20802d42cb3a374a
PDF
Publication page6d64792c814bacdede5b4873f74279a665cb0ff9fc342f2fa4346f9bc51ac07a
Manifest757f952eca1817a05720ddb7d8579a9f1539be4899d7ca6dcc8ac0964079e4b1

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
SignatureJg5kxUCTe3TAx9q/kKh48AWmv+HsDCuRTGwSUDPZvzVe4SmAMy3WGdnXde9BuTGBGr5zlrxAGwzeU8TjsuB6DA==
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

2026-09-17T11:22:43.941656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038490
observed 6d64792c814bacdede5b4873f74279a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:43.921829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038490/manifest.json
observed 757f952eca1817a05720ddb7d8579a9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:43.902157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038490/publication.md
observed 434579d5f149e1902b0cf98b2db919cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:43.884984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038490/publication.txt
observed 0b6ca32782018f881e9e25200d6a821a...
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.