OpenTechnical

OT-2026-000034459

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump 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-2026-000034459) never changes.

Identity and time

Publication numberOT-2026-000034459 · never reused
Internal UUID01a0ae76-1ed0-7eb8-bbd4-aa0cc2f27207 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034459
StatusPUBLIC

Content hashes

Canonical text267d6384e8230b18cc15b4cdadc0dcd13444d490b1f13a5316e71d3376f837fc
Markdown72e1172339874395baf56c88c78da4ba8065c57fa2497a46f0d3a60b2adb9a43
PDF
Publication page225610e2ed441bb72c237c8d1b9e67a0986de0f80f5c0eb2a4c190d3898bc4ff
Manifeste4ac39adae6fa258e4ac47ffb21f2e50e924414202e3e54c1d6434153dc6163b

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
Signaturewedp7b9W7pL2ElyAgntNK1wgaCpQdV9pGKTgKh5a9EzmcjSkrhH9oVNRJS/IwUphKUSPC5CBG/YhfmiDJ/DeCg==
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

2026-09-17T11:28:47.005420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034459
observed 225610e2ed441bb72c237c8d1b9e67a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:46.988555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034459/manifest.json
observed e4ac39adae6fa258e4ac47ffb21f2e50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:46.969574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034459/publication.md
observed 72e1172339874395baf56c88c78da4ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:46.951561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034459/publication.txt
observed 267d6384e8230b18cc15b4cdadc0dcd1...
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.