OpenTechnical

OT-2026-000062243

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000062243) never changes.

Identity and time

Publication numberOT-2026-000062243 · never reused
Internal UUID01a0ae8c-0abd-7f82-8778-5750c42c883b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062243
StatusPUBLIC

Content hashes

Canonical textb5b6da28f4bbeb408b50411047bace630371d5d926566645232706f5279412e7
Markdowneef8749a3003415130c851f031edf9e9126ec7f0b374e3f25441f7d76e630ebb
PDF
Publication page09e8721366576affaf6c904943a678207b4cbc06de356c9c3056b32c7893087a
Manifest449d58f100c4876cc2904fee4828ff7c25f06f07061643cabb6b8e87a8c472e8

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
Signaturedal1/U0hQGW5OME32+gnm+yL9k7U3yz8i5m6d1Bce6sj1J5PKyUqAB/g3AOghVIm6FSyXvbvTjXMr8PpMfUlDw==
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

2026-09-17T10:39:31.217972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062243
observed 09e8721366576affaf6c904943a67820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:31.201370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062243/manifest.json
observed 449d58f100c4876cc2904fee4828ff7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:31.185270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062243/publication.md
observed eef8749a3003415130c851f031edf9e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:31.169967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062243/publication.txt
observed b5b6da28f4bbeb408b50411047bace63...
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.