OpenTechnical

OT-2026-000068354

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000068354) never changes.

Identity and time

Publication numberOT-2026-000068354 · never reused
Internal UUID01a0ae90-2480-73c5-b914-ce0fb2bb28f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068354
StatusPUBLIC

Content hashes

Canonical text877683af6a32284ee5ac6461513dd3115070c5974b400d13e863eb0ac2b84687
Markdown3fd2b0d7fd9151555d74e9c29d771fedfbf55bc3bf72362213bd21f424d61bdf
PDF
Publication page98cec1d4dce009cde6eeed20e40c2fedf377a39d4ddbe1d07726689c803b009f
Manifest7f5bb9d76789ea6f8b4109a569a9ca46993b72bf3c22d0e6d52998fbbbbd8d69

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
SignatureiqG4iwApVonutFMjQadxwULR66DD0CVAXJgBq7/40Bo/+G4bjUWPcjor5vAXs/LJlSeEC+jwIvijBGMeAo4pBw==
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

2026-09-17T10:29:24.060590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068354
observed 98cec1d4dce009cde6eeed20e40c2fed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:24.043203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068354/manifest.json
observed 7f5bb9d76789ea6f8b4109a569a9ca46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:24.025014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068354/publication.md
observed 3fd2b0d7fd9151555d74e9c29d771fed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:24.008316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068354/publication.txt
observed 877683af6a32284ee5ac6461513dd311...
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.