OpenTechnical

OT-2026-000071145

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000071145) never changes.

Identity and time

Publication numberOT-2026-000071145 · never reused
Internal UUID01a0ae91-e0eb-7ee9-919c-f25b53c1e81e · 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-2026-000071145
StatusPUBLIC

Content hashes

Canonical text6315be762df0faccfba88e1302107f74169f88d7ad69be1e7ff50049660cb159
Markdown1a4c3f22bfe0940cc1f738084fdc31f9c527eb920391b069744b5318af7512d9
PDF
Publication pagef9f5e9956e3601ec0068f4b5a47e527570a70917b95626dec3dea92c3e915b74
Manifest5d8ed84023d49fc410d5a0537445fa3fea870e5285bbd2ca5287fba3eb595da0

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
SignatureeZDv44w9IZlbhYPFQYmkmRst04RkrsQ3KrbHPQvh4TzY1YaWC6zeEtjEOX6IbiD4Uv7LhoPHgo7XPpjuRd/KCw==
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

2026-09-17T10:24:38.978715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071145
observed f9f5e9956e3601ec0068f4b5a47e5275...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:38.962321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071145/manifest.json
observed 5d8ed84023d49fc410d5a0537445fa3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:38.944539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071145/publication.md
observed 1a4c3f22bfe0940cc1f738084fdc31f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:38.925907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071145/publication.txt
observed 6315be762df0faccfba88e1302107f74...
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.