OpenTechnical

OT-2026-000012780

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000012780) never changes.

Identity and time

Publication numberOT-2026-000012780 · never reused
Internal UUID01a0ae6d-5563-72b7-a17c-8380db05c3b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012780
StatusPUBLIC

Content hashes

Canonical text045365beea213396d1ff80e1574fef56335c4fc40450769c94bac4ebfd52f820
Markdown3060173d5b5cd33dffcc88fe0a4d7d67906bfbb309d4ed79661234fff9645163
PDF
Publication pagee7279a989c735d3ec97d18227e4a22acb37b60a985d13b652e88b5e51d0859af
Manifestd57a50dd1a7cf962c0208ab53cd08676af799c3d9c786254c7e68e7f7c1dea66

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
Signature41ruEZuvnBFn8LIiiH14yK4lkYR1kgnhq7Ebso8xu4Qa6CuD2YUDyesBO5Ss25hxovv8nbPmjRf3m7xKhxY8AQ==
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

2026-09-17T12:10:29.932624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012780
observed e7279a989c735d3ec97d18227e4a22ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:29.906647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012780/manifest.json
observed d57a50dd1a7cf962c0208ab53cd08676...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:29.886741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012780/publication.md
observed 3060173d5b5cd33dffcc88fe0a4d7d67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:29.864151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012780/publication.txt
observed 045365beea213396d1ff80e1574fef56...
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.