OpenTechnical

OT-2026-000081358

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000081358) never changes.

Identity and time

Publication numberOT-2026-000081358 · never reused
Internal UUID01a0ae96-f375-728b-acb0-fb8509786f74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081358
StatusPUBLIC

Content hashes

Canonical text23487da601695673d9bdb04ea0fbf0d551f1dba48f13cd50da7fd3f3e8cbbfbf
Markdown5d1dc3345254e321afe76c0d723e5fc930b49b1fa6d94fff66dc5748b279d932
PDF
Publication pagef866f2363dfb7ffd18a92edf1fd59a60d1f111015b65108e3d35d18da306481c
Manifestc5cbcb4e744d97a7431e60aa23a742baf6b53a9d0f152a57f20fa76c496d998e

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
Signaturer2h4ftnVJl/rv62bFw0+M0Ud8fBERfjG/mwvlsarw/yTporLdzTcEFmve6X0k5leQcF2T8ByAYXmNDletf37AA==
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

2026-09-17T10:01:29.364691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081358
observed f866f2363dfb7ffd18a92edf1fd59a60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:29.347252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081358/manifest.json
observed c5cbcb4e744d97a7431e60aa23a742ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:29.326837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081358/publication.md
observed 5d1dc3345254e321afe76c0d723e5fc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:29.301261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081358/publication.txt
observed 23487da601695673d9bdb04ea0fbf0d5...
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.