OpenTechnical

OT-2026-000023699

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000023699) never changes.

Identity and time

Publication numberOT-2026-000023699 · never reused
Internal UUID01a0ae70-aed4-7f3c-b7e3-5a7073835f47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023699
StatusPUBLIC

Content hashes

Canonical textb3a730a63d6a5dad69082938eeb08a0a45bd0ea54120e5f21db48c14b91e9173
Markdown412cd0abeb7ea2fdfe82013fd94a947d3bac846305b4db726cf9f9e8bb244543
PDF
Publication page93511685eaa061296220e958a281b5787a00a880aa964a4c67f39cadd6d80798
Manifest4fa46f5dabc3360cc05998967c182f85cb8432073e972b43819110422cd0e3e3

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
Signatureh8joz12xoLzu+l3yz3Q910UVWYrimFcYbCMmESgdpW+Quf0yjOAxOxoiHKzaJJ4wiNmDfQmbuSuj/A2rM6ifDQ==
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

2026-09-17T11:50:01.884461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023699
observed 93511685eaa061296220e958a281b578...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:01.864472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023699/manifest.json
observed 4fa46f5dabc3360cc05998967c182f85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:01.835852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023699/publication.md
observed 412cd0abeb7ea2fdfe82013fd94a947d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:01.816197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023699/publication.txt
observed b3a730a63d6a5dad69082938eeb08a0a...
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.