OpenTechnical

OT-2026-000034209

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000034209) never changes.

Identity and time

Publication numberOT-2026-000034209 · never reused
Internal UUID01a0ae75-df0d-7a39-9f8e-e089eeeb2e8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034209
StatusPUBLIC

Content hashes

Canonical text02216fe5aa19234a3ae358ffce5ecac99f7ef4776dd3e13779344a8e7f33ffdb
Markdowne55a60153680cb72c9c255a7034295c242981bfee7f75fa86c32355d8ce20a01
PDF
Publication pageae7334fcfb78744ad9434d086eff6a9d70375975db015b3ef0225b02027f7a31
Manifesteacda5a0be0bfc0559c5ac9356a35d2a5b557fd50b0b84b41a495adf939f84db

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
SignaturetLqb39DIt3HKwMZM0T/8AiVjse+3tl9uFBcsTBxc8vDWDEnoFqvi/Tw+utwpsMqkIAiE1EQINSzOPrVCTU/YBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:45.274147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034209
observed ae7334fcfb78744ad9434d086eff6a9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.257646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034209/manifest.json
observed eacda5a0be0bfc0559c5ac9356a35d2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.239877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034209/publication.md
observed e55a60153680cb72c9c255a7034295c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.223982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034209/publication.txt
observed 02216fe5aa19234a3ae358ffce5ecac9...
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.