OpenTechnical

OT-2026-000077595

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000077595) never changes.

Identity and time

Publication numberOT-2026-000077595 · never reused
Internal UUID01a0ae95-2ece-77d1-bf56-ae3e991e899d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077595
StatusPUBLIC

Content hashes

Canonical textf43a39cb37953106d705aa11d30e68dcaf59c2eaf6acf339f5ea28a07c97ebe8
Markdownb4d613bd2e99f63ef4e8a1a4692dc62917b32b1ff8e5c42cb483a0d5b47c5955
PDF
Publication pagea1abf8bbc7a47c7bda2bbf82c3e009a8080659d1ee6a18961fde564cb550953a
Manifestc72f733a6cfcd1846d1b3a11487a3c8632c833b0b21a05974987f2a7d7418999

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
SignaturejejhsxaPxN6aDV6sweRg8ihHk81sYuGTuk1jxaVaoqNPNsUeUbSJg0BL/kBxZ6r3f0hm1BtYXgBHwueRCl6qDA==
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

2026-09-17T10:07:04.583537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077595
observed a1abf8bbc7a47c7bda2bbf82c3e009a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:04.564932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077595/manifest.json
observed c72f733a6cfcd1846d1b3a11487a3c86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:04.545235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077595/publication.md
observed b4d613bd2e99f63ef4e8a1a4692dc629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:04.526332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077595/publication.txt
observed f43a39cb37953106d705aa11d30e68dc...
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.