OpenTechnical

OT-2026-000063274

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000063274) never changes.

Identity and time

Publication numberOT-2026-000063274 · never reused
Internal UUID01a0ae8c-94ab-7b71-b87a-0fcd27de01c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063274
StatusPUBLIC

Content hashes

Canonical text1d8e83ca83c01cab4af4cdfa9863737b8a260f389012b475980d4aa23556a56b
Markdown670d7b128c30b0828bb45042772e2a7932ed42ce9722329be498c89ad343a44d
PDF
Publication page7943cecbac52459e1b32f2b4710d32e5301680c2c4ec6447982ba03c0abec22b
Manifestde3009e2d3d074458753d5aa39d6912e988ef393a04f7a422200d70cbdf32c0e

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
Signature0RddYqqq1tNObBGLAM0dCOFAWDhWz4JYiSrMswdsgHTxBNYi4+0mZhNf8d1mxKUqKdjmYIcE9zaPvD1Fk2yNCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:09.894817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063274
observed 7943cecbac52459e1b32f2b4710d32e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:09.877702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063274/manifest.json
observed de3009e2d3d074458753d5aa39d6912e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:09.862147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063274/publication.md
observed 670d7b128c30b0828bb45042772e2a79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:09.844109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063274/publication.txt
observed 1d8e83ca83c01cab4af4cdfa9863737b...
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.