OpenTechnical

OT-2026-000022286

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000022286) never changes.

Identity and time

Publication numberOT-2026-000022286 · never reused
Internal UUID01a0ae6f-f4fc-7eff-a2a2-a8d6e36b89a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022286
StatusPUBLIC

Content hashes

Canonical text45a26a0c2eb63e9ddf6b7187a16da5fdb37e9496762e8b7918a954ad82b290c6
Markdown66183b6736c1a8601ea9de81102f540178105bd568db9af36324174320eb60bb
PDF
Publication page1e461c00ad9bbceab84db36031ccc07a0fb19ebbd4574f2836b851876d9196f9
Manifest19fcce145143f464fdea976b37596a2587491b5541ec23e03f6a2f0c9f904189

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
Signature4Qe9f8sTE873XKOO8NSo3HdYVbCxG0a0pm1AhbP5/82HmTbsaspojlnolBK0o7a3jPg1gQzdaY0lR+wzkbEZBw==
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

2026-09-17T11:53:05.319529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022286
observed 1e461c00ad9bbceab84db36031ccc07a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.303554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022286/manifest.json
observed 19fcce145143f464fdea976b37596a25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.287458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022286/publication.md
observed 66183b6736c1a8601ea9de81102f5401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.270381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022286/publication.txt
observed 45a26a0c2eb63e9ddf6b7187a16da5fd...
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.