OpenTechnical

OT-2026-000073325

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000073325) never changes.

Identity and time

Publication numberOT-2026-000073325 · never reused
Internal UUID01a0ae92-efb7-75d6-904c-aa32a7fdb63b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073325
StatusPUBLIC

Content hashes

Canonical text63878e509fb8c3bbbc0e5a08b4c68e1a81c31557ff5a45570e3adcd984f6227a
Markdown6978dc1d32743e73cae09fd7749fd817d964809c4b73c4874481f026fe7b3c89
PDF
Publication page65b5de9048f599204b3452af8ba2750601cbb2ce5aabd2b9735516ab077d7998
Manifest5e1dac3804237aa214c0d7551bade00c8d769c374edf47379de00e52fe778212

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
SignatureFhbWvkN/5eXmdSz1M55W1hOvKYSN055VGM8NPAia5LCwSYQxZKioFWIwrt17vzL7BXl/2FBvb3CiaQ8ZeJeZAQ==
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

2026-09-17T10:21:20.528954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073325
observed 65b5de9048f599204b3452af8ba27506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.510059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073325/manifest.json
observed 5e1dac3804237aa214c0d7551bade00c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.489839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073325/publication.md
observed 6978dc1d32743e73cae09fd7749fd817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.470921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073325/publication.txt
observed 63878e509fb8c3bbbc0e5a08b4c68e1a...
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.