OpenTechnical

OT-2026-000069629

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000069629) never changes.

Identity and time

Publication numberOT-2026-000069629 · never reused
Internal UUID01a0ae90-b52c-7c1f-9e02-1fca3c29fac2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069629
StatusPUBLIC

Content hashes

Canonical text52dbf6798ed5b905abfc729738c590ff3ff644463ffe7e1da972ceb07c523176
Markdownc10fc56f5a1b1f19f99040e7c48a0febef8db87ac00b7e0245d8681fdab73d6f
PDF
Publication pagef4e37620e5e39cd69fef676ffe1194bdcca99c931cf1d880ca1d4f43546d7c2d
Manifest8f6fd4854e18e8a4ed17913a432a2ec602ec8d66bf304a30c82f5d827e735559

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
SignatureLCZswC2luZ455r+4AXIGT+O8hjjm+gtCm3MnchYMykOwZ2dGtkQRzFaBNb3U7IGvKda1tAJ7K4ICMWyWeQAADQ==
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

2026-09-17T10:28:17.679957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069629
observed f4e37620e5e39cd69fef676ffe1194bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:17.661938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069629/manifest.json
observed 8f6fd4854e18e8a4ed17913a432a2ec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:17.644486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069629/publication.md
observed c10fc56f5a1b1f19f99040e7c48a0feb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:17.627313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069629/publication.txt
observed 52dbf6798ed5b905abfc729738c590ff...
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.