OpenTechnical

OT-2026-000032045

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000032045) never changes.

Identity and time

Publication numberOT-2026-000032045 · never reused
Internal UUID01a0ae74-bad3-70b5-8ec5-cf3313edc8a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032045
StatusPUBLIC

Content hashes

Canonical text4405db01ccee846cd66790e71912caf1e8faddfd35a38d38ab0b56b8d717ca34
Markdownb221d0fb7ba97f1a1b52ce1a9d2c60221f22e8620b0211d8bb5734573a18a021
PDF
Publication pagea0c146d43de2155b06c6ae77be5ab2249c31447ea2b3ae759f235de73ab3ee09
Manifestcdfbf1e987440183186b4cb658448c78875907b7c7f432fda459e9db113752d8

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
SignatureAFIhtjjoGFqxLZhug4xSTN+0jZgk8K6jhmFlpEujveJy4UQBPRGOesHq7I9cCQZDnLHA4itcGE2+Fjygfzq8BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:35:27.556432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032045
observed a0c146d43de2155b06c6ae77be5ab224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:27.541190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032045/manifest.json
observed cdfbf1e987440183186b4cb658448c78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:27.523778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032045/publication.md
observed b221d0fb7ba97f1a1b52ce1a9d2c6022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:27.506500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032045/publication.txt
observed 4405db01ccee846cd66790e71912caf1...
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.