OpenTechnical

OT-2026-000086161

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000086161) never changes.

Identity and time

Publication numberOT-2026-000086161 · never reused
Internal UUID01a0ae99-e82c-7440-b8f0-d5811dbbd556 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086161
StatusPUBLIC

Content hashes

Canonical textc637cbf776df52c93f2881215202dcc73f140c1d8fb75aa514f98722d7c6d6d1
Markdownad7735175a468a14bb86a0a55aac16ee57db687d7cbdab4f5b2149928d75fe9c
PDF
Publication paged6abe4342c72f97118ddc81f070c7779bc5fae79f95f6ce2cfd5fc21f56683ca
Manifest4a9eaa9b986191680eb063552f9fb71f34cbfba46295a0511382f268a473de55

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
SignatureE92B/me4zkI/iEj5wf3e9HIjXBYzyZy2KpZ93JWFxoYbt49iFYKtn6UOYjAs1Rn0TplJEqd5Obwi97opPsqFDQ==
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

2026-09-17T09:53:50.042996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086161
observed d6abe4342c72f97118ddc81f070c7779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.025676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086161/manifest.json
observed 4a9eaa9b986191680eb063552f9fb71f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.008209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086161/publication.md
observed ad7735175a468a14bb86a0a55aac16ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:49.990900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086161/publication.txt
observed c637cbf776df52c93f2881215202dcc7...
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.