OpenTechnical

OT-2026-000081891

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, sustained 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-2026-000081891) never changes.

Identity and time

Publication numberOT-2026-000081891 · never reused
Internal UUID01a0ae97-0f76-7f46-8148-2a9cea0dbf37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081891
StatusPUBLIC

Content hashes

Canonical text86a0e4d88dddca2ee3decf0080d7e188b2eefa8a0182f9a45150a469e187aa5c
Markdown1ab64e6e542964ba5e33223b78d034f58173314a29ac2fda552900d64975e8a9
PDF
Publication page7e8f942e97e87ab0d222899c906ae5d20e6eb13f537ffb153c0ff56d1762b9c5
Manifest98b56abde5387980e032f452525df764ffa8dd7783a272c7d30596ebdbf16417

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
SignaturebOMffqoGBVEsYPdWXCq7LSDghigfJzDXcqJiBRArj9zM8U8AIOnTbbph+GysA0Wc4sN86DkI++ZTs4vkSIeaCw==
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

2026-09-17T10:01:00.821531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081891
observed 7e8f942e97e87ab0d222899c906ae5d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:00.803905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081891/manifest.json
observed 98b56abde5387980e032f452525df764...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:00.786541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081891/publication.md
observed 1ab64e6e542964ba5e33223b78d034f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:00.771588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081891/publication.txt
observed 86a0e4d88dddca2ee3decf0080d7e188...
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.