OpenTechnical

OT-2026-000063574

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000063574) never changes.

Identity and time

Publication numberOT-2026-000063574 · never reused
Internal UUID01a0ae8c-f945-77c0-a45e-7c01ffa607c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063574
StatusPUBLIC

Content hashes

Canonical text0ddbe9f27e50b9709fa6f35296a9599ea74e5ab992827f125665e57a8601c1eb
Markdown1d1c5799eba702d5e0f987dce56bd23aa914fe8be02d9a7d228b671153df9046
PDF
Publication page9c353b4609529cc45bb02d7eff45864d1d8529d1988b0d3bd3b267ba384cab6f
Manifest683f1911163ff7d1fd02819e07f3d723b771d2ffea7b143c929e957f93494f0a

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
SignaturePS/cZRFQI7Ir40GZp9X+eThjl5iVdGWmaqdfNYZYDNvTgqailaDPifBmcFDnu3DQ6SRqanWVS0QRE1/9wRxdDw==
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

2026-09-17T10:37:35.160354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063574
observed 9c353b4609529cc45bb02d7eff45864d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:35.142354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063574/manifest.json
observed 683f1911163ff7d1fd02819e07f3d723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:35.122362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063574/publication.md
observed 1d1c5799eba702d5e0f987dce56bd23a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:35.102029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063574/publication.txt
observed 0ddbe9f27e50b9709fa6f35296a9599e...
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.