OpenTechnical

OT-2026-000037743

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000037743) never changes.

Identity and time

Publication numberOT-2026-000037743 · never reused
Internal UUID01a0ae77-b8d0-72bb-a78b-7460e3d4214d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037743
StatusPUBLIC

Content hashes

Canonical textdcd879e7f8c4e1b63e8cf6f4062fb181c20788919657a637121452d2544b38a8
Markdownfb8328dbbf897a3f19fed919435666e9773a62db03439725671263c86ab90d87
PDF
Publication page7168cd84d557df1574fd301652370e08b30fcaacc6555a97628fe240b0d377c2
Manifest3ac43dbb5cd8faf1910744202507ff3bcff2abf78da9b530937b2b313845e284

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
SignaturetsdFWcrdA3IF3ilCaraT5RRBSRQia6SdFH1pP7FPG5ThnjdKSwTrQCB/M5IQb/sV4ePCKbFJ3guNogyV5f9eCA==
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

2026-09-17T11:24:20.470186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037743
observed 7168cd84d557df1574fd301652370e08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:20.455172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037743/manifest.json
observed 3ac43dbb5cd8faf1910744202507ff3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:20.439867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037743/publication.md
observed fb8328dbbf897a3f19fed919435666e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:20.421449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037743/publication.txt
observed dcd879e7f8c4e1b63e8cf6f4062fb181...
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.