OpenTechnical

OT-2026-000081546

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000081546) never changes.

Identity and time

Publication numberOT-2026-000081546 · never reused
Internal UUID01a0ae97-0f71-70fc-8fcc-4cff9f810538 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081546
StatusPUBLIC

Content hashes

Canonical text8533c17b13503c7015d8da0e7b6bca09585e83c9c4c73751966da96f7d11e530
Markdown709ecba2648a24cd543a1935fd558d4889f395009079f199df97c06d5d198662
PDF
Publication page395063dc72bcaccc7d66dcc970e82b6569535dfc29f9cddd28f6e478a8f75364
Manifest84d6596d7fd9106166339fd6819fc9133d56662dc3063cad70ef04186c29dca3

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
SignatureXJSDRk1nvQDppW/KliVy0AyvyXxGT9FKW2ZQIdxE2s79VWHffqfHg8/QEpgaPI5DcL/a06V8RToPR4/fc0n7Dg==
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

2026-09-17T09:59:34.207303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081546
observed 395063dc72bcaccc7d66dcc970e82b65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:34.188274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081546/manifest.json
observed 84d6596d7fd9106166339fd6819fc913...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:34.170375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081546/publication.md
observed 709ecba2648a24cd543a1935fd558d48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:34.153975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081546/publication.txt
observed 8533c17b13503c7015d8da0e7b6bca09...
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.