OpenTechnical

OT-2026-000021357

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000021357) never changes.

Identity and time

Publication numberOT-2026-000021357 · never reused
Internal UUID01a0ae6f-865c-7717-9936-6b9511ec35eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021357
StatusPUBLIC

Content hashes

Canonical text756aaa10a37d50b2e3660ae6b636912d2f0461b4660c32b4bcaf3341995308c7
Markdown64dd20bb081b2086daea59203b8acabdc0918c878e9b7f0198bb7533355df89a
PDF
Publication page9cffa350f8bfe2d5a4223627cf3815d94bdff7e8e0122188901636969423d1f4
Manifesta146b8e42d42f8ff17a78db7b7594a35a1e1a014b153e1196e402c2321c7e1d3

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
SignaturePX/UXloMWkaaXubIz1z+x4WtQfUnn6Ow0gCKpWGj8fNA8+GFaBW1PZdeKlFgAqQ50qs+yvB7iMtYiDzaqknCDQ==
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

2026-09-17T11:55:13.090183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021357
observed 9cffa350f8bfe2d5a4223627cf3815d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:13.070765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021357/manifest.json
observed a146b8e42d42f8ff17a78db7b7594a35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:13.050041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021357/publication.md
observed 64dd20bb081b2086daea59203b8acabd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:13.029396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021357/publication.txt
observed 756aaa10a37d50b2e3660ae6b636912d...
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.