OpenTechnical

OT-2026-000092639

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000092639) never changes.

Identity and time

Publication numberOT-2026-000092639 · never reused
Internal UUID01a0ae9d-b5ff-7d0b-88e0-e3bca71466ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092639
StatusPUBLIC

Content hashes

Canonical textc543a5592ef70acff1bfbf2158918982254cbd1fa0a63412496fc62c4c0cbf2a
Markdown8c5438b57d2a17dd8c6d56c26b8b532ea672aab3ec6b55a949ba73132f31355a
PDF
Publication pagea8e8be52b689e87ed628d2f5914f01e82f958b4d239c352ac993141fb388af60
Manifest4d450ca0899a2cce8e51fcd1cfc197875e0bd27aca6ec1afa1b47eb2de1f399d

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
SignatureDAvXgTMWvAS+W9mZ21a8UJML0zver4IPDh0keb3piRXNMkxBdVTruIETVZNcWIuxIUIqrrSccQ20WrSewmVJCQ==
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

2026-09-17T09:41:14.485387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092639
observed a8e8be52b689e87ed628d2f5914f01e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:14.469296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092639/manifest.json
observed 4d450ca0899a2cce8e51fcd1cfc19787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:14.453255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092639/publication.md
observed 8c5438b57d2a17dd8c6d56c26b8b532e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:14.436871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092639/publication.txt
observed c543a5592ef70acff1bfbf2158918982...
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.