OpenTechnical

OT-2026-000087417

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, supply line pressure sensor, sustained 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-2026-000087417) never changes.

Identity and time

Publication numberOT-2026-000087417 · never reused
Internal UUID01a0ae9a-cd50-7101-933f-a884b9ac0387 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087417
StatusPUBLIC

Content hashes

Canonical texta1ce7de3b0679cf975c279ccd8f1f934d75a247ab0e6f901d71cd2340e2fdb7c
Markdownc6cd9e502b8104dd965133bdae58281e99196769944a107c7aa02dac0badb210
PDF
Publication pagedb05ad0ceea7fe4d4de5add9b8b6acb54d0f0d3c82bac2dd89d64eacba94314b
Manifestdd1b1fd1cfb2772f0afcb5da8c15fe2805e3c5d65676fb521228385829c939f4

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
SignaturejwqhUG0J3GSxY5MHUnbbgk6d+Xq7mMujz/28/7HwHq1Nnd/SYpUvKTuHkp/Yu39nuEY7/lYxU/VwyYrZskzyBQ==
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

2026-09-17T09:50:44.099338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087417
observed db05ad0ceea7fe4d4de5add9b8b6acb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.081665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087417/manifest.json
observed dd1b1fd1cfb2772f0afcb5da8c15fe28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.063776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087417/publication.md
observed c6cd9e502b8104dd965133bdae58281e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.045299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087417/publication.txt
observed a1ce7de3b0679cf975c279ccd8f1f934...
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.