OpenTechnical

OT-2026-000084167

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two 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-2026-000084167) never changes.

Identity and time

Publication numberOT-2026-000084167 · never reused
Internal UUID01a0ae98-5b5f-79e5-b834-55d58248f8ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084167
StatusPUBLIC

Content hashes

Canonical text744fc327c2d9d4d2daf4cd22e06dbac2a4a91bd7b2da4b6912ab3058c2a9b630
Markdown88c49820131d85676a73452c6c7ac16144d4d1424507d872f89e5195ace738a4
PDF
Publication page0fb757fb5ed6137070fc04055c5b0dd389f401eb5eb8796d33e6abbc8625b37d
Manifestba21ff4c3624737a020eff080d19bef1e8a4eab1c8541888686de9b181a26977

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
SignatureUU53yfWrugIELbDp2ZnWE/Z/ZxhAItdWnS4qnKFvR7SzBiVxzcTanY7RUz3srswc30jZiB/d4aGgelQ2/Vs/Cg==
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

2026-09-17T09:55:56.483967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084167
observed 0fb757fb5ed6137070fc04055c5b0dd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:56.465312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084167/manifest.json
observed ba21ff4c3624737a020eff080d19bef1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:56.445960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084167/publication.md
observed 88c49820131d85676a73452c6c7ac161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:56.427836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084167/publication.txt
observed 744fc327c2d9d4d2daf4cd22e06dbac2...
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.