OpenTechnical

OT-2026-000048191

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed 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-2026-000048191) never changes.

Identity and time

Publication numberOT-2026-000048191 · never reused
Internal UUID01a0ae80-4de2-7769-b02e-0d40905a17f3 · 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-2026-000048191
StatusPUBLIC

Content hashes

Canonical text452165dd28cc4f19191441386e1b58b5c5627990b3a4a9997156de41370e5cd4
Markdown582dff6891bc5a2e43f678e645347284e11158e4d002954dff69957cf2e292ee
PDF
Publication pageab9d817f452dee5d42f9c802a3aeed235d5fcf054bbe67c47139870833a914f3
Manifestdc2f1fdc758653a0ebecd0eaa9f3c4f0b0e4e3c64c8ee05ca1f38f58ccdb50cb

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
SignatureIx8ZNn6qxsYfr/iQ4tCwRN1EwOLrMM1BGijZ14TMrmd7NPJ4UD5YsLSd0ry/x5mIAeOv9gfdGkKdjzw/JN8nBA==
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

2026-09-17T11:04:44.007698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048191
observed ab9d817f452dee5d42f9c802a3aeed23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:43.990477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048191/manifest.json
observed dc2f1fdc758653a0ebecd0eaa9f3c4f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:43.970722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048191/publication.md
observed 582dff6891bc5a2e43f678e645347284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:43.952156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048191/publication.txt
observed 452165dd28cc4f19191441386e1b58b5...
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.