OpenTechnical

OT-2026-000083720

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold 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-2026-000083720) never changes.

Identity and time

Publication numberOT-2026-000083720 · never reused
Internal UUID01a0ae98-0417-7d00-b4a9-f2a6978f82e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083720
StatusPUBLIC

Content hashes

Canonical text85b3372bcb94837e76c014867a733f773838ef760fce30ffdf116a4775afdb15
Markdowncab7e3c802a78de1fd67ba4c4bc4cc1562dbfedad33095fdedd58fd3fa2d7fe7
PDF
Publication page2c133f30612b193e33f5f5a56eaaf72564152144f99373e3323abbf0a9a152f7
Manifest9586f99118ca69b5671f2d3dda2e61ddf3e1421ef5b6fa6379541732749850b0

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
SignatureJOYOn8uyD7Soc5i+FR4q+YJp0aPEtbv5MpCH3tA/roUsRHUnb+uUm2X7uhdAxZq87Di32gkVLg1dQxbN5dDyCQ==
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

2026-09-17T09:57:21.154106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083720
observed 2c133f30612b193e33f5f5a56eaaf725...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.137316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083720/manifest.json
observed 9586f99118ca69b5671f2d3dda2e61dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.120970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083720/publication.md
observed cab7e3c802a78de1fd67ba4c4bc4cc15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.104551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083720/publication.txt
observed 85b3372bcb94837e76c014867a733f77...
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.