OpenTechnical

OT-2026-000011479

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, vented after 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-2026-000011479) never changes.

Identity and time

Publication numberOT-2026-000011479 · never reused
Internal UUID01a0ae6c-88ff-7957-b29e-0318d63aa194 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011479
StatusPUBLIC

Content hashes

Canonical textbdd32742c669106a31635e817a625eb6767e1e302d19a4b8a1cf6b3e1a641712
Markdown96a9c25989bc3879a6fa7531b43db114473356e4cb915fd5bf99701a5def2225
PDF
Publication page81e69d87382c49ac0958e7a42675b600fce285cb967deb2ab4d51547673171be
Manifestfb8ea8668425a0c30b66672744810e2eefefd14a61683dda0dadec4f8380f595

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
SignaturevIntB3eVida1gJ0aR1EY91+9Y/MIZN9VjzVbWbl6brw4H9l/yuM4S6UU5UiicBSk4ueTpt+FKl0UdGUhMgT4Dg==
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

2026-09-17T12:13:00.773548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011479
observed 81e69d87382c49ac0958e7a42675b600...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:00.755227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011479/manifest.json
observed fb8ea8668425a0c30b66672744810e2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:00.718390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011479/publication.md
observed 96a9c25989bc3879a6fa7531b43db114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:00.692112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011479/publication.txt
observed bdd32742c669106a31635e817a625eb6...
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.