OpenTechnical

OT-2026-000042140

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000042140) never changes.

Identity and time

Publication numberOT-2026-000042140 · never reused
Internal UUID01a0ae7a-5d71-765b-b528-66539302cfaf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042140
StatusPUBLIC

Content hashes

Canonical text233957bdb26434762fb4e9402d5fc63a1fb723689b223eff55f165cb1551c376
Markdownaca203479acccd128e0066badb0f3d46f7c592a3546f846520794dbba70d5390
PDF
Publication page7aef4514d7dab3898df893d93494acdfa841afa74d7730143aa88f7f992ecf65
Manifest5c1c400c1df2beb35a12c28560593b0bb56c87977fc20a1cac82ec30523aa295

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
SignatureeVoaUGgIQCt2ww5gN9Ftd5VJ18Mx9N27JkBvXKUws8hQUWfUqqlvaaldITaZ3a7VUZrgK6r6wJBgBoY9Ia1jBQ==
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

2026-09-17T11:15:41.404676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042140
observed 7aef4514d7dab3898df893d93494acdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:41.385122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042140/manifest.json
observed 5c1c400c1df2beb35a12c28560593b0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:41.366043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042140/publication.md
observed aca203479acccd128e0066badb0f3d46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:41.346212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042140/publication.txt
observed 233957bdb26434762fb4e9402d5fc63a...
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.