OpenTechnical

OT-2026-000075258

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000075258) never changes.

Identity and time

Publication numberOT-2026-000075258 · never reused
Internal UUID01a0ae93-f200-76a6-8083-d892f3ceec12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075258
StatusPUBLIC

Content hashes

Canonical textb1c26b40acbb721f78363c491e73fdd5ae0bb97d7ff11523702d3e36864a22b8
Markdowna5d1e963df1fc1bc3a0c58db83cab2541a480619305df2559184d4cfaf92894d
PDF
Publication pageacbdefc6534dc406b29ee3138011cea458ce2d8261dc84c9b7cbbcd79ea0cf73
Manifesta3855c25133648f64214f966b3bc308edd92f0cc2a6ad713069eed9ae9ecf892

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
SignatureFM5ojSjfifd1ozr5t2sQ8XOUcMiVqOeLNI+gI1oiU5LnwNwpvZrnPWvWn4nLE5YkSMsASSe2MmHZZgMX3b3EBg==
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

2026-09-17T10:20:33.333009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075258
observed acbdefc6534dc406b29ee3138011cea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:33.301420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075258/manifest.json
observed a3855c25133648f64214f966b3bc308e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:33.284089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075258/publication.md
observed a5d1e963df1fc1bc3a0c58db83cab254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:33.264933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075258/publication.txt
observed b1c26b40acbb721f78363c491e73fdd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:54.705702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075258
observed acbdefc6534dc406b29ee3138011cea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:54.564430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075258/manifest.json
observed a3855c25133648f64214f966b3bc308e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:53.800753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075258/publication.md
observed a5d1e963df1fc1bc3a0c58db83cab254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:53.783308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075258/publication.txt
observed b1c26b40acbb721f78363c491e73fdd5...
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.