OpenTechnical

OT-2026-000071207

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump 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-2026-000071207) never changes.

Identity and time

Publication numberOT-2026-000071207 · never reused
Internal UUID01a0ae91-e0eb-7f23-a106-096a1a1a758c · 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-2026-000071207
StatusPUBLIC

Content hashes

Canonical text5822e9c631aea1ece612440861f0db9f53faa09469b1893423afec37e397d74b
Markdown05a89d4b6dd2fa20241fe2c74e375ee0ccda973ff93541b1e927327c1fda26f5
PDF
Publication page75916db941233715b964ccd9480a1ada424c92b0daef092513d51ea6e9bae1f7
Manifest98515251934562ad2b6c4974dba76904ed2b992e50d0780c5aff29a3e9134817

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
Signature9U9z5DvPj6ZdgRp3nlghuJOcD0Ap6S9btWU2rBU710NLHjFeUPx8hYn3cIYhBxhLkMA94K6kuwgRcBCHng1oBw==
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

2026-09-17T10:24:44.163821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071207
observed 75916db941233715b964ccd9480a1ada...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:44.144973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071207/manifest.json
observed 98515251934562ad2b6c4974dba76904...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:44.125701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071207/publication.md
observed 05a89d4b6dd2fa20241fe2c74e375ee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:44.107530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071207/publication.txt
observed 5822e9c631aea1ece612440861f0db9f...
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.