OpenTechnical

OT-2026-000071882

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, vented 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-2026-000071882) never changes.

Identity and time

Publication numberOT-2026-000071882 · never reused
Internal UUID01a0ae92-1e93-7a36-b709-3287cea763d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071882
StatusPUBLIC

Content hashes

Canonical text48c27640fc640e142c84a0d0ed78b0d36e8378f26deccc7eff3b6da764725436
Markdowna9d77ed49c0927aaf907dd6d8cdd097a3dd61fd3d471b712fdc130c6fb768782
PDF
Publication pagef3738645a5dd5460c967cace210c791f96d56e02185de8c499269cc9dc9d005a
Manifested523bce1ce154d0fe071a06f76079899be099fb45a1ae3b56069e61210a23b3

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
SignaturexepQumCvgb1vkGRqgbprq3nyxToNmJUIKuw0LDcEznszlhrpCQfLyrKv6Fsc30A6pPGj/jO2icu12XFOhu3WAA==
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

2026-09-17T10:24:35.185053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071882
observed f3738645a5dd5460c967cace210c791f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:35.166341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071882/manifest.json
observed ed523bce1ce154d0fe071a06f7607989...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:35.147606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071882/publication.md
observed a9d77ed49c0927aaf907dd6d8cdd097a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:35.129444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071882/publication.txt
observed 48c27640fc640e142c84a0d0ed78b0d3...
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.