OpenTechnical

OT-2026-000028765

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000028765) never changes.

Identity and time

Publication numberOT-2026-000028765 · never reused
Internal UUID01a0ae73-2252-77e4-a67b-a797b7cc6238 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:36.158293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028765
StatusPUBLIC

Content hashes

Canonical text5b7dcefbea485c87ba04f0254f37038d4664a02918a1aaed89c776054117d153
Markdown36b8c75047cbf731473ab2aee348e1989c1a870d971918775831169947d49e5a
PDF
Publication page1cf046545aed2e555b90da0ed11f00ef2671cd049d5b9f7ed20fbda537b74289
Manifest6e1292f3694c615353902b37e82cb7cf4812621bbe74af757e499552752afccb

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
SignaturePGJ1bzs//ZCK1zZ2l/MOnodohXlnYsEA6Uod5x4nAuZLkjlK5EWJ6FCE99hdAnIeznW+rfD7WxEqQrE9TFrqBw==
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

2026-09-17T11:39:59.152605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028765
observed 1cf046545aed2e555b90da0ed11f00ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:59.137544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028765/manifest.json
observed 6e1292f3694c615353902b37e82cb7cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:59.121694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028765/publication.md
observed 36b8c75047cbf731473ab2aee348e198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:59.104672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028765/publication.txt
observed 5b7dcefbea485c87ba04f0254f37038d...
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.