OpenTechnical

OT-2026-000026401

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000026401) never changes.

Identity and time

Publication numberOT-2026-000026401 · never reused
Internal UUID01a0ae71-f4a7-7cef-bb82-df3dd927b1b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026401
StatusPUBLIC

Content hashes

Canonical text94b528cc4a83aae31a6f2eb66d28c91a777a8c2613939d0683683414c27089f8
Markdown2ee92baee825ae4426ead085b166168f9013502a86177651e17d4ad70b553227
PDF
Publication pagef1db41c267428967202b337c07c3c0a4b6000cf5739a1d9bdd8787784a3cd735
Manifest208ffa3860443f5cd6f523e447e09a2fa0a7e6682c43e2b8cd689f41022d46c6

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
SignatureMaD3m8TUHvbfzQBXj7JG/xW/yAiEhjbk8wUJw/SdA0xOtHRzOkDJJlgDJoPAaXWojrd1WiA7eenRU0XETBoUDQ==
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

2026-09-17T11:44:23.182950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026401
observed f1db41c267428967202b337c07c3c0a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:23.167119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026401/manifest.json
observed 208ffa3860443f5cd6f523e447e09a2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:23.152104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026401/publication.md
observed 2ee92baee825ae4426ead085b166168f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:23.136218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026401/publication.txt
observed 94b528cc4a83aae31a6f2eb66d28c91a...
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.