OpenTechnical

OT-2026-000016432

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000016432) never changes.

Identity and time

Publication numberOT-2026-000016432 · never reused
Internal UUID01a0ae6e-2d13-791c-bec1-6825c8628e38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016432
StatusPUBLIC

Content hashes

Canonical text63c12c675f03d0689e1bcb03979112dff32eab65a2c831e8bf96335f93c59cab
Markdownea13a636ad2f36bb36c3233a658a34434f721598ca4fa66212d447464669cb43
PDF
Publication page99678330116bf558e76cb242882db30cb6e294472f8032f6d617219fe566bb7a
Manifest57061e32b1ea7dc943c57537d6ac8d3a36225add9f2e5c69212891c16450c1d3

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
Signaturej8QMU2j1C20hbd/sAddHqD+kg/AFLdahn69m7asoQ+7At9s0GbM/ULoemFGASq6soTv1jZmTVYkew+kagvjUDA==
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

2026-09-17T12:04:31.675325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016432
observed 99678330116bf558e76cb242882db30c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:31.658621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016432/manifest.json
observed 57061e32b1ea7dc943c57537d6ac8d3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:31.641268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016432/publication.md
observed ea13a636ad2f36bb36c3233a658a3443...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:31.621743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016432/publication.txt
observed 63c12c675f03d0689e1bcb03979112df...
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.