OpenTechnical

OT-2026-000079430

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-2026-000079430) never changes.

Identity and time

Publication numberOT-2026-000079430 · never reused
Internal UUID01a0ae96-0b91-7e73-b3c9-5cd1a325aadd · 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-2026-000079430
StatusPUBLIC

Content hashes

Canonical text2f9dc328d563d4da553e1a89ba608f18b644f0aca0cf552c2a0466056a2fba11
Markdownd1028460dded294f7d11a61c4a8c27edce4e9f01b24e82d163e9002a10817c21
PDF
Publication page15e30a70d0fb88e5307ec9c1f7ae5abd2b3de489e7b7756ae68d1697b9200531
Manifest45a5e8ac97f3d1353a509b289e21aa2244b77861ed816baa32c7647ab1d6d13f

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
SignatureQWglLj/G9K57QvSUj5H3O8SbmcPCXegyd9Sv5Uk/5CQqy15hsl7csIdIWKROoUErmo4LavsBiZtOtfon7NKxAA==
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

2026-09-17T10:05:03.370776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079430
observed 15e30a70d0fb88e5307ec9c1f7ae5abd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:03.352128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079430/manifest.json
observed 45a5e8ac97f3d1353a509b289e21aa22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:03.334823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079430/publication.md
observed d1028460dded294f7d11a61c4a8c27ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:03.315974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079430/publication.txt
observed 2f9dc328d563d4da553e1a89ba608f18...
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.