OpenTechnical

OT-2026-000085187

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, sustained blow-off before 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-2026-000085187) never changes.

Identity and time

Publication numberOT-2026-000085187 · never reused
Internal UUID01a0ae99-43ba-7dd9-b65d-a322454e9aaa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085187
StatusPUBLIC

Content hashes

Canonical text4df52a01be738061f906602ca91fffc72ec812192c0091bb422efb7b642676b5
Markdowneef1a7dcc111bbc0046a6599835596f363d3f97822a637e974069be02281f323
PDF
Publication pageaa7e9699aff65c377bcb5402ad9bd302274d00bf6c8f1571f33823947655375c
Manifest4f6cae6f0e88fcdf4cefaad548f93a78d4c97072073b7c33ffe94777a844b706

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
SignatureFgIXbUEFB26tBKz99EpM17U4OqPmHTyzuo4m+tv0FWS1D87/9pPg1RfYPTjsu41CNaVf5RgcIRgGiWUbWBB8CQ==
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

2026-09-17T09:55:16.403758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085187
observed aa7e9699aff65c377bcb5402ad9bd302...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:16.384535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085187/manifest.json
observed 4f6cae6f0e88fcdf4cefaad548f93a78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:16.367394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085187/publication.md
observed eef1a7dcc111bbc0046a6599835596f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:16.349462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085187/publication.txt
observed 4df52a01be738061f906602ca91fffc7...
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.