OpenTechnical

OT-2026-000018337

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000018337) never changes.

Identity and time

Publication numberOT-2026-000018337 · never reused
Internal UUID01a0ae6e-b489-7b60-a0d6-c2ace60d8733 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018337
StatusPUBLIC

Content hashes

Canonical textd787d88d3b2ca1f1bb901d7aa6b1404a985f9e680120536d378bb3f441da0513
Markdowne51b274396c7b814cfb1a1051c8964071acb50fe185fbe50001849dbc55777a5
PDF
Publication page109ee450e6f1a631315e0d6b3cd350b2fff48212241a103c5a9ce89a9d548830
Manifestd28c62a7c2d85b8bf4e42f7344e4fc54c9f7aed5c3b16d8e91e859fbd173e85b

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
SignatureJsFUQsQE3IXatKBTtDBv9adT0TFV2yyaq+kgIbuNRVUdwvYcC5eTR8uVWPIwC/v133BMKDeuIfu9ZKXBxulXAA==
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

2026-09-17T12:01:04.194087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018337
observed 109ee450e6f1a631315e0d6b3cd350b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:04.178765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018337/manifest.json
observed d28c62a7c2d85b8bf4e42f7344e4fc54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:04.162617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018337/publication.md
observed e51b274396c7b814cfb1a1051c896407...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:04.146670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018337/publication.txt
observed d787d88d3b2ca1f1bb901d7aa6b1404a...
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.