OpenTechnical

OT-2026-000066959

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000066959) never changes.

Identity and time

Publication numberOT-2026-000066959 · never reused
Internal UUID01a0ae8f-14fd-7dad-b919-9ddeb6222620 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066959
StatusPUBLIC

Content hashes

Canonical textd165ea843e1b9649f5038ca25d22d94405e7d197495e13f91bb81e0c866f77b4
Markdown4ef085940e2673ba02793e99298a2fdd2543310f944aded46022427d4a64ebd9
PDF
Publication paged02735e3ab069ae31fc05778d0a18c5ab7f959e2f25365b8cc620e75b640e7e8
Manifestdfa7168761df453867647e347d25428af5d6aa10bc8a1b57170492c9b91530a9

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
SignatureqIHydsH2pf6BnhdfoX6hbm6Q+m2RRudlWY3/cWGuV6/GVgkyY1aoqEDfxQlWF7Nn36X+XkcnGgzuVokfrB6WAA==
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

2026-09-17T10:32:10.599307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066959
observed d02735e3ab069ae31fc05778d0a18c5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:10.582886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066959/manifest.json
observed dfa7168761df453867647e347d25428a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:10.564700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066959/publication.md
observed 4ef085940e2673ba02793e99298a2fdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:10.545143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066959/publication.txt
observed d165ea843e1b9649f5038ca25d22d944...
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.