OpenTechnical

OT-2026-000048402

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000048402) never changes.

Identity and time

Publication numberOT-2026-000048402 · never reused
Internal UUID01a0ae80-4de4-7b60-a64c-8bb78d7abe32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048402
StatusPUBLIC

Content hashes

Canonical textb3867860d6ed8f5e297b41a9be196c04c717d722205be1ce999bef8b8e00f4a5
Markdowna178c9d86acb7fab7e399bd3afc1155764bf9505b0f683eb40e1078877caa7ae
PDF
Publication page0224a468307631fa32284dc28af3d9c81ae70ed44b5e9b688998c6d8f035bee1
Manifest29de7e03d6dc25e3960972095dfa4e2704a70246e6df67c8061c5e210d4f73d4

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
SignatureArRAYhjRJkmBl89tXgBrXscJHBOJZd1kelsc4iBhMcG+gQl73t3hEdiLNOQcbJ+tyyR0VAeehQJkIzFzzqBoDA==
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

2026-09-17T11:05:02.410131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048402
observed 0224a468307631fa32284dc28af3d9c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:02.390939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048402/manifest.json
observed 29de7e03d6dc25e3960972095dfa4e27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:02.373369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048402/publication.md
observed a178c9d86acb7fab7e399bd3afc11557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:02.354210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048402/publication.txt
observed b3867860d6ed8f5e297b41a9be196c04...
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.