OpenTechnical

OT-2026-000030349

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000030349) never changes.

Identity and time

Publication numberOT-2026-000030349 · never reused
Internal UUID01a0ae73-e501-71b3-88ec-ae8e60c7e0c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030349
StatusPUBLIC

Content hashes

Canonical text7151823e26f41f241c67076ab0f3ac823906f2db0591f97a5d1bd61fe630e3a9
Markdown7e6f80f88e92425f246f2a0249e16f5033f26a9c013ee09c44f404c7a185eaaa
PDF
Publication page79bd73f51afa1a749a933246fe8dbc3a93fb672e773ab092ba4ce729be2e50a2
Manifest11659bb1d52e40ac8e43e188832ba3f8d369dbedd36d73d9a34477a5f05794ac

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
SignaturemLFEXX+BbZpXFQWSK/on8u3eLCIwo8NdkT0/3ytbANkr8My6O1mAI/gpWzeyD9eIUvHDqPIsOl9f+S4LrGTAAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:38:03.882792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030349
observed 79bd73f51afa1a749a933246fe8dbc3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:03.860960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030349/manifest.json
observed 11659bb1d52e40ac8e43e188832ba3f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:03.842993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030349/publication.md
observed 7e6f80f88e92425f246f2a0249e16f50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:03.825051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030349/publication.txt
observed 7151823e26f41f241c67076ab0f3ac82...
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.