OpenTechnical

OT-2026-000063981

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, vented after set-down

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-2026-000063981) never changes.

Identity and time

Publication numberOT-2026-000063981 · never reused
Internal UUID01a0ae8d-53bc-7062-9c71-35cd80c957d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063981
StatusPUBLIC

Content hashes

Canonical text756d2732c666c19ed7092a9c70b915acd5eb3ede3ba57bcefc1714960ca97294
Markdown20efe5ac3c780c971e59fcc4d6b770d92b647862f4378dd1e75e94653060b4d5
PDF
Publication page5ebe4ad3c0a3863366a9a11198c83872d3c2cdb7c8a384148489c6a5c6606f83
Manifest781c30616886c6c0c70e3f0bcfd89f0f2ab15b34e61209a5b65b5a255da95a42

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
SignaturevUqOgumHRmBdrxgx+qe92Texksn6hwo+KnqLQi/AYkRE0WfFgu6xvNPtdFZoczHoetDdx1WKGuaUJtttgS7xCg==
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

2026-09-17T10:37:03.061006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063981
observed 5ebe4ad3c0a3863366a9a11198c83872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:03.041741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063981/manifest.json
observed 781c30616886c6c0c70e3f0bcfd89f0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:03.024357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063981/publication.md
observed 20efe5ac3c780c971e59fcc4d6b770d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:03.002482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063981/publication.txt
observed 756d2732c666c19ed7092a9c70b915ac...
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.