OpenTechnical

OT-2026-000071567

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000071567) never changes.

Identity and time

Publication numberOT-2026-000071567 · never reused
Internal UUID01a0ae91-e0ee-7597-aad8-871738309aeb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071567
StatusPUBLIC

Content hashes

Canonical text2d2275ea928a6faa0ab47dade36940525961d7c746934dfb8baf0407178620a1
Markdowneef04e68db3e827670d1b02a3543c9258c3298e2607c7dcaecc4fe30cfeb60c8
PDF
Publication page1bb6e12aab5c3ef02797f2d3245df780aa35e8c1bcd7449d2457b4841a32ac81
Manifest95fec2e839e17e471f9963362335682e78707a4cdf415f4e78eadcdf2a22b7fc

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
SignaturemwHimUivPryDt7k0lyHtG2dwDDT6ztityBD80r+ib3bl+FvecREr6moziPkHxOlMNIItEYP6H1/eGuMA441FBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:13.374030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071567
observed 1bb6e12aab5c3ef02797f2d3245df780...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:13.356423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071567/manifest.json
observed 95fec2e839e17e471f9963362335682e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:13.339302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071567/publication.md
observed eef04e68db3e827670d1b02a3543c925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:13.322334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071567/publication.txt
observed 2d2275ea928a6faa0ab47dade3694052...
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.