OpenTechnical

OT-2026-000063819

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, pulsed 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-2026-000063819) never changes.

Identity and time

Publication numberOT-2026-000063819 · never reused
Internal UUID01a0ae8d-53b7-7670-9a2f-5757f63d2d2b · 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-2026-000063819
StatusPUBLIC

Content hashes

Canonical text7263817a84fee8c74408a0279074fdb28cd12c82b3f7320012b5cd950f0be530
Markdown4f55af28e2349bd2703a7fb6d1776846dfaedd38c16c97bc8d2bf5f577a956ef
PDF
Publication page0a3f3a48004f7196f1a135472fbfca9759677bb32c0bf2776f791f7be2ce48c9
Manifestc5e80ecf01459722945755b20c3caeb230711699cf991e9e06cef027aad6971a

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
SignatureVn1wDooh4tRoe0jx+gUIKSVjhI1mdJhhGkrAguuxY7MS4coW2rK52pntxG+nVvryqu1w66tgUs18DdSrS5yiBg==
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

2026-09-17T10:36:50.429318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063819
observed 0a3f3a48004f7196f1a135472fbfca97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:50.411920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063819/manifest.json
observed c5e80ecf01459722945755b20c3caeb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:50.383386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063819/publication.md
observed 4f55af28e2349bd2703a7fb6d1776846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:50.363825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063819/publication.txt
observed 7263817a84fee8c74408a0279074fdb2...
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.