OpenTechnical

OT-2026-000047844

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000047844) never changes.

Identity and time

Publication numberOT-2026-000047844 · never reused
Internal UUID01a0ae7f-c421-7ec9-927b-cf20ee021c48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047844
StatusPUBLIC

Content hashes

Canonical text734b9c45cfafe3a57116463a2551354df230ae4d29f8462cc1be4b41b8ebb7c0
Markdowna5b608888e325633098b0f6df3d7e7a3ab669dff6a09a8f5ada929d3150be729
PDF
Publication page77a94958becba44c7654943ce4cd09e00434367dda3540d812d0c58556477fa4
Manifest5da9307aecbc4b2b287f10b32a34d10a80a4ad3be4bd34521e8e6243cfbc7679

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
SignatureCRx5GSXJVF+HuY1oyRs3l35ESYBCX3rUAAremQIZMtYe+qiM4UomgZaWCiW0JJoje0jbbdbOfC90lPZUR1W6CQ==
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

2026-09-17T11:05:45.729123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047844
observed 77a94958becba44c7654943ce4cd09e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:45.709610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047844/manifest.json
observed 5da9307aecbc4b2b287f10b32a34d10a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:45.688286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047844/publication.md
observed a5b608888e325633098b0f6df3d7e7a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:45.665526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047844/publication.txt
observed 734b9c45cfafe3a57116463a2551354d...
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.