OpenTechnical

OT-2026-000084568

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, 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-2026-000084568) never changes.

Identity and time

Publication numberOT-2026-000084568 · never reused
Internal UUID01a0ae98-e25b-7af1-9bf0-cbbd71b3eaae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084568
StatusPUBLIC

Content hashes

Canonical text5aeaf69943e07a7cdab6183e04a44a4e2c6af5fc0d2cf1c141f40d0d179985ab
Markdown144021b1093635f6b724e750f6ded129e7f1ae015460207933ef947579e4f4d7
PDF
Publication paged53c8ab5079e535bdf2e9dcd97f5c6abab8606e087b4ca15418052484d6771ca
Manifestfd92c4235afadd892ca6b0f48cbfbf290cc043f28534fafddfab58b0cf71b9d4

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
Signature0JI73MEojJ1QYxs1lsOC+Wfw0X1kmVZBynQlJYWQ4Wa1APuS2VqJglek4EpsSbd10n+P+M2PsNglW/84HLZBBQ==
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

2026-09-17T09:55:27.840867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084568
observed d53c8ab5079e535bdf2e9dcd97f5c6ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:27.823751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084568/manifest.json
observed fd92c4235afadd892ca6b0f48cbfbf29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:27.806469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084568/publication.md
observed 144021b1093635f6b724e750f6ded129...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:27.788403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084568/publication.txt
observed 5aeaf69943e07a7cdab6183e04a44a4e...
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.