OpenTechnical

OT-2026-000097254

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000097254) never changes.

Identity and time

Publication numberOT-2026-000097254 · never reused
Internal UUID01a0aea1-01ca-70a9-a5db-154a586a8145 · 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-2026-000097254
StatusPUBLIC

Content hashes

Canonical texta3c6ae3fbb6be73a15b99bec6bd56075a35045b4fb523822cf269468d63077b4
Markdown27bd39a6298d572351abea061ddaebba93e8b228fe3ff487025f3bf37e00f7b6
PDF
Publication page3b94c156d47a85327800b9cb900057e55e5b919af96d92f35584d02a23590d6f
Manifest8bd09eb8a7b8c1d86c39cda4fcca282285e78a54f3806add2636a363c3876074

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
SignatureMulAeh98HDvHmqja6FbrFwq9uJA401Q38qN1SWibZVe1WPSpyQ2UVs7ve+zuSviST13mFYnf/ZcsXzYjQ8D8Cw==
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

2026-09-17T09:33:30.507072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097254
observed 3b94c156d47a85327800b9cb900057e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:30.488570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097254/manifest.json
observed 8bd09eb8a7b8c1d86c39cda4fcca2822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:30.462860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097254/publication.md
observed 27bd39a6298d572351abea061ddaebba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:30.441753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097254/publication.txt
observed a3c6ae3fbb6be73a15b99bec6bd56075...
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.