OpenTechnical

OT-2026-000097213

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000097213) never changes.

Identity and time

Publication numberOT-2026-000097213 · never reused
Internal UUID01a0aea1-01ca-7211-84c1-a7394989ee00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097213
StatusPUBLIC

Content hashes

Canonical textc7aa043d7f9caf5f9fde36bf4ce4b4f78b094c1c74bceb8fdfc6be18d09d2311
Markdownd329ef4b7d39b1d4ec29f6be8afb40065feaf595e16a7876e5a74a3f739ddb69
PDF
Publication page3d62bff4560cd79f8043108349b35b1da15a386832716c088f42deda92c3037c
Manifesta25930bb896a753a4e078b1b7b2f568f07e0448c4cc2fdf6d043d70cfeefa9b2

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
SignatureSNmDV1veeDs8Xumjo32PJkQ/H50ALa89D12/294Fej//Skn2fOKy0nYDdDJvPPVFfqODE9pRliDh57IxObnLBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:27.406414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097213
observed 3d62bff4560cd79f8043108349b35b1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:27.389981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097213/manifest.json
observed a25930bb896a753a4e078b1b7b2f568f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:27.373019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097213/publication.md
observed d329ef4b7d39b1d4ec29f6be8afb4006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:27.356288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097213/publication.txt
observed c7aa043d7f9caf5f9fde36bf4ce4b4f7...
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.