OpenTechnical

OT-2026-000019994

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single 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-2026-000019994) never changes.

Identity and time

Publication numberOT-2026-000019994 · never reused
Internal UUID01a0ae6f-1fb7-7c73-ba6d-f8c851815a27 · 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-2026-000019994
StatusPUBLIC

Content hashes

Canonical text758fe68a78f94a5b03aba689dafd65e0879b678309cd31615c020b1778f2c5b6
Markdowna4a40e5a34a27f9705d54cc5659da8b486f1dcd9aa6a03e307e9e675b7f68267
PDF
Publication page9b27a80edd20eb8d61c956c5bddc29dbb294946e7a4a108e42431024b14afdd0
Manifestf9e89c5b64fa69fd3bde5c9523a17461ff365047b07bbae5c28286cece4dcdc1

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
SignatureJ8T49c1Lu3cIaTYX1rz64XBWG1o41ckueNEAHrHL258IFpkY31rIGiNUMknG4+7ZmXEmJzmPOoFhaPR3PSl8Dg==
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

2026-09-17T11:58:14.291924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019994
observed 9b27a80edd20eb8d61c956c5bddc29db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:14.272987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019994/manifest.json
observed f9e89c5b64fa69fd3bde5c9523a17461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:14.253200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019994/publication.md
observed a4a40e5a34a27f9705d54cc5659da8b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:14.224158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019994/publication.txt
observed 758fe68a78f94a5b03aba689dafd65e0...
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.