OpenTechnical

OT-2026-000071411

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000071411) never changes.

Identity and time

Publication numberOT-2026-000071411 · never reused
Internal UUID01a0ae91-e0ed-72ed-bfd3-a6f683d9da5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071411
StatusPUBLIC

Content hashes

Canonical text6b0641abbd80e03103155433b432642815323bc3700a7b823c97f441889b0a89
Markdown4b75e3d07b7fcddb15df877661caaeda262dcc54d502e4a0fe44297b5531e66f
PDF
Publication page274b8ef9e51483fae12f80b819faf28ae1d883a910d4f813c7b0308e1bdb12ff
Manifestebc96bc91cf55076c4c43a7ee3facc47c25736c81b1cafe2d9f04dbc14134e11

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
Signature1iMp3pJGVYce2B97BUqQTpZ0bZh04XckeAzG2BLKAsxZUORFsDZ3n6My8BUAqahqqp0/gEZ4LNOWotCxuAmXBw==
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

2026-09-17T10:25:02.439892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071411
observed 274b8ef9e51483fae12f80b819faf28a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:02.422793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071411/manifest.json
observed ebc96bc91cf55076c4c43a7ee3facc47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:02.405134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071411/publication.md
observed 4b75e3d07b7fcddb15df877661caaeda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:02.387904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071411/publication.txt
observed 6b0641abbd80e03103155433b4326428...
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.