OpenTechnical

OT-2026-000069889

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, supply line pressure sensor, 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-2026-000069889) never changes.

Identity and time

Publication numberOT-2026-000069889 · never reused
Internal UUID01a0ae91-1860-7cb9-9836-315bda6ac08e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069889
StatusPUBLIC

Content hashes

Canonical text08c63113e46e7c422de82bcf4fd4061112358dd1dd9ceace0372ef7ed4da32b2
Markdownfc232b732e0ada27bbeda60e972e97caacb1c457b96011fee40449b23d5a8723
PDF
Publication paged92a4cbe6ac17d771172ccb655be5bb90e38ff2e4c5767d67ef0de6d54250ede
Manifestd0faec9fde6a70b4b44e8b9ae8da9d9e1e31b3b2939f2173b4c7cb67be3a6f77

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
SignatureI/fILuPpp9Lma8otucbKt3oX6e2Bwa1pZ+eF7qD18b0hO6ECBb2M/xzYonOOZPT0iD01N/y/dhUidOlDQ8SvDw==
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

2026-09-17T10:26:43.303333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069889
observed d92a4cbe6ac17d771172ccb655be5bb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:43.285842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069889/manifest.json
observed d0faec9fde6a70b4b44e8b9ae8da9d9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:43.268479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069889/publication.md
observed fc232b732e0ada27bbeda60e972e97ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:43.251268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069889/publication.txt
observed 08c63113e46e7c422de82bcf4fd40611...
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.