OpenTechnical

OT-2026-000019646

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000019646) never changes.

Identity and time

Publication numberOT-2026-000019646 · never reused
Internal UUID01a0ae6f-1fb3-7e0e-93d8-537f76801353 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019646
StatusPUBLIC

Content hashes

Canonical text14a3dbde8798d4735bca18a936fbe212aef5986a9bf5a0090261615beecfa440
Markdown3627d8357a9adbe82ff082275c7ca1efdfbbc236bdb5e56084dbc33c0efbcd61
PDF
Publication pagef59360fec6d3eceea8e982ef29f55fe32de78a70620417fadbbd18ccee8e454f
Manifest4bd6e894850e3897eaa6db3cf0a987a22345d6ce1d0ece538b892c45d80ffe85

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
Signature2aX0Pvaswl0/AD/dYmiXX9rpnJZY5Lr9QMbS8OenmDQfSrOI6a0AW9PMmgnxxXGqyIE5KCCYxLy16Pj7z6e/DQ==
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

2026-09-17T11:57:42.468805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019646
observed f59360fec6d3eceea8e982ef29f55fe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:42.451994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019646/manifest.json
observed 4bd6e894850e3897eaa6db3cf0a987a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:42.434441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019646/publication.md
observed 3627d8357a9adbe82ff082275c7ca1ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:42.416965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019646/publication.txt
observed 14a3dbde8798d4735bca18a936fbe212...
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.