OpenTechnical

OT-2026-000079332

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000079332) never changes.

Identity and time

Publication numberOT-2026-000079332 · never reused
Internal UUID01a0ae96-0b90-7a32-89a5-95d3a6eb58ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079332
StatusPUBLIC

Content hashes

Canonical textd47ab3f0fccf243ba1568c3e12844e592b82b386660ab9c2d9a26d93b58472be
Markdown469861866bb50956baae47536839e9a5351905cf23053da080abf2f6d0b2343c
PDF
Publication page67065244e0a5388474bd529100940fbf8e2b801b4e8cad5b0ed31a1590df500e
Manifest668205832c17107bdd0f268a6456195a2fcd288a52a6994bc122e28c6b7e3c89

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
SignaturegBmQq9fHoMv31YYTKFNXxlNYC42bq0ZsXfXTNALopB4M5kYnxT+PNxlDqf/Mgesh3KcGxx6IofYd/3KX80tKCA==
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

2026-09-17T10:04:56.727543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079332
observed 67065244e0a5388474bd529100940fbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:56.710287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079332/manifest.json
observed 668205832c17107bdd0f268a6456195a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:56.692847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079332/publication.md
observed 469861866bb50956baae47536839e9a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:56.672967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079332/publication.txt
observed d47ab3f0fccf243ba1568c3e12844e59...
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.