OpenTechnical

OT-2026-000025180

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000025180) never changes.

Identity and time

Publication numberOT-2026-000025180 · never reused
Internal UUID01a0ae71-5fa6-74ce-b96b-e6f7686ab676 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025180
StatusPUBLIC

Content hashes

Canonical texte18672602f64f384f58d317d317c9f8916e1f6dab86a6984a083e706b1a8faad
Markdowncf9f8439235ac728fd65fbbf8b19009cb3d8e7f780690cc74843593f3472d4e2
PDF
Publication pagec04f70df973ddf47c08bad1af4d202dbbb8af3fb4dd3157d8878a5d7457ea249
Manifestda15ae7772121d197da7d797dc2cf962c851084b224c87f7e4cab7509aa52fba

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
SignatureXHsTAZvQz2fIdKyt57uLWKFqR4niz1Xrpv+r1xiLUKYOp3Ud11zMb8nRjsoZOTcoyWYebXynnHXkITD3a+qyBw==
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

2026-09-17T11:47:09.685353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025180
observed c04f70df973ddf47c08bad1af4d202db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:09.657006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025180/manifest.json
observed da15ae7772121d197da7d797dc2cf962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:09.630119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025180/publication.md
observed cf9f8439235ac728fd65fbbf8b19009c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:09.610611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025180/publication.txt
observed e18672602f64f384f58d317d317c9f89...
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.