OpenTechnical

OT-2026-000087772

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three 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-2026-000087772) never changes.

Identity and time

Publication numberOT-2026-000087772 · never reused
Internal UUID01a0ae9b-1aa4-72e1-9495-7bf7c326ab30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087772
StatusPUBLIC

Content hashes

Canonical text20998abe9c4760f18fb6062cbfd5d8c4240c7923e97c83bcddac61324ab17755
Markdown2a91ad137def46e7e4e9928c07a093555e800ab6847c9c97446a64e7c5f1c6a4
PDF
Publication page66f08af86f764bea6ca1db08dd59c505ca16c97ad01b29b9cabfa7c8ea59324b
Manifest78ed63112d5775c5d2bbd4ecaa4df8980979a8ebe8226513f68dfd0981d3b405

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
Signature3aTX03w9a3NFdjAoyWKN8qcqoozl9Lln1Pu+/OBIkuZ43c2EHCwyK/zHISY27IS0yqIS2Ab+syNDldMGPSbuAQ==
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

2026-09-17T09:48:58.501802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087772
observed 66f08af86f764bea6ca1db08dd59c505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:58.484666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087772/manifest.json
observed 78ed63112d5775c5d2bbd4ecaa4df898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:58.467308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087772/publication.md
observed 2a91ad137def46e7e4e9928c07a09355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:58.450450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087772/publication.txt
observed 20998abe9c4760f18fb6062cbfd5d8c4...
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.