OpenTechnical

OT-2026-000079418

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000079418) never changes.

Identity and time

Publication numberOT-2026-000079418 · never reused
Internal UUID01a0ae96-0b91-7d2a-98ae-e088b29bd744 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079418
StatusPUBLIC

Content hashes

Canonical text42ce09436396d2e8917b53e1ae851debb9808712aaa8fb88267459111ccb320c
Markdowne2fe98f570e13d06a51ead262ea8b430e923dcf60f2a6eba027481093f1cacdc
PDF
Publication page9526de0feb7d117b5991852a28aed7ef0ae622d41623b83a025ae440381314ec
Manifest83ce3679103eac1cc6b9cacea5755740dbeada56cdbf0430cf4a57bc1f07464a

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
SignatureyxRM7TGyC+up8EoKMeoTVxRE6HMQSBd6MUEldlMApMcZ3aWFLluLm/LGtgAnyqmSfZiBE1Lh4gEKhjpo3iwEBg==
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

2026-09-17T10:05:02.577210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079418
observed 9526de0feb7d117b5991852a28aed7ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.556531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079418/manifest.json
observed 83ce3679103eac1cc6b9cacea5755740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.536683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079418/publication.md
observed e2fe98f570e13d06a51ead262ea8b430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.517390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079418/publication.txt
observed 42ce09436396d2e8917b53e1ae851deb...
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.