OpenTechnical

OT-2026-000074590

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000074590) never changes.

Identity and time

Publication numberOT-2026-000074590 · never reused
Internal UUID01a0ae93-717b-721c-919c-3564c5dc3139 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074590
StatusPUBLIC

Content hashes

Canonical text9052a3734110363ff184edf718a9443e2d3817e6e996b3778f9827f42348a140
Markdown6feef205d0341ce3250336ac18b2aa4fe302b115584cf961d5246b8d8a0df6d8
PDF
Publication page633e3ff2566e1908820c2382345360aeaa606a030d8d01acbbd25dab23e3d102
Manifest30b706f39abd4952e387c6f2ded13e875ef318c9b4273fe866ad44a3096db8e7

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
SignatureX+fuSxCaNvry692xuBW7JIy2YXTQRI2JVIEem9bc8BnEBdj4CU2FjPnOTuRFFcXrA/ZW6V3O6gi8UiZKLFRbBQ==
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

2026-09-17T10:19:36.774896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074590
observed 633e3ff2566e1908820c2382345360ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:36.757946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074590/manifest.json
observed 30b706f39abd4952e387c6f2ded13e87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:36.739349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074590/publication.md
observed 6feef205d0341ce3250336ac18b2aa4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:36.720389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074590/publication.txt
observed 9052a3734110363ff184edf718a9443e...
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.