OpenTechnical

OT-2026-000069446

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000069446) never changes.

Identity and time

Publication numberOT-2026-000069446 · never reused
Internal UUID01a0ae90-b52a-7203-98b7-19570b0cc4d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069446
StatusPUBLIC

Content hashes

Canonical texte1ac3343e280d70a391d34d3b6f51919aff795104eb39d7b12362bc0f1a4f748
Markdown4efbd7f4c123f780fa51255b777767aa9713884db9390a4baad2090daa02547f
PDF
Publication page7eb333ed1e72182297fc786d2fbdf22bc0d6276b5e0e9cdd13806165bb3fcdab
Manifestbdaae7c59eec52e9af5feafa43b07a73d2650136dbcf77697f55f820409a5422

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
SignatureQ8ziyDYesn4lGOTa7EYc8l908tFV9cy4wH695o4VKy9tg4LPHAMGxkHb6iGyl8RqxrdTcqt0AxbyaxV+NKg/Dw==
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

2026-09-17T10:30:21.375396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069446
observed 7eb333ed1e72182297fc786d2fbdf22b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.356839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069446/manifest.json
observed bdaae7c59eec52e9af5feafa43b07a73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.280199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069446/publication.md
observed 4efbd7f4c123f780fa51255b777767aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.211759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069446/publication.txt
observed e1ac3343e280d70a391d34d3b6f51919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:01.532677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069446
observed 7eb333ed1e72182297fc786d2fbdf22b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:01.489785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069446/manifest.json
observed bdaae7c59eec52e9af5feafa43b07a73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:01.471987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069446/publication.md
observed 4efbd7f4c123f780fa51255b777767aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:01.425592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069446/publication.txt
observed e1ac3343e280d70a391d34d3b6f51919...
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.