OpenTechnical

OT-2026-000072359

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single 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-2026-000072359) never changes.

Identity and time

Publication numberOT-2026-000072359 · never reused
Internal UUID01a0ae92-47c3-735a-84cd-f7addf4233cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072359
StatusPUBLIC

Content hashes

Canonical texta7d9d2750b5d930bb353b8cdcc278114b08954123d46d5f5d694877a49632c1a
Markdowne4282eb07aecba186439b34da39c155521e0fe6d7cd2f880790f824340282082
PDF
Publication pageec6cc998148185c1c114952ab454a634cc1e5726a80bd8fd8e1399e4279b1ef7
Manifestf168258f58f29ce930e7d35205d36a45bad261e1094968af66a914be0279fc6d

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
SignaturebyjSY/ZC1OhCjCIB1J8jBgmqgRkmpn9VtQyoTcVDpkyKu2eDI7TYBWs4iGHR9jYb58KmNFAaiN3JXlB2XP9aDw==
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

2026-09-17T10:23:35.639589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072359
observed ec6cc998148185c1c114952ab454a634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.621373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072359/manifest.json
observed f168258f58f29ce930e7d35205d36a45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.604342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072359/publication.md
observed e4282eb07aecba186439b34da39c1555...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.585124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072359/publication.txt
observed a7d9d2750b5d930bb353b8cdcc278114...
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.