OpenTechnical

OT-2026-000038500

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000038500) never changes.

Identity and time

Publication numberOT-2026-000038500 · never reused
Internal UUID01a0ae78-2d53-7aed-85c7-ea303ccb7999 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038500
StatusPUBLIC

Content hashes

Canonical text89858253f70c4101288d8127c20cbf9ec4b4b56f0fea294dcf34067915f48583
Markdownb2d1398813e10fb78e2aaa48c657eb8b15d934455872603502524ce6a4f3558c
PDF
Publication page8a0a890efc8249eec3bd26b11e9fec06ccaa32420853afac444b5a5a04a200da
Manifest046433b35ece8549b8f0d5d66d73dd321026e95013f07a29a7db31df1edcf467

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
SignatureeNCkNL1KtROJPXJ2OYXSi9d/jdkb2O8mKBDc6oClXyBAPEVufVobvQ1a6MvPI6kgDFHhhWujZmOwu2dT81krAQ==
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

2026-09-17T11:22:44.829575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038500
observed 8a0a890efc8249eec3bd26b11e9fec06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:44.811753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038500/manifest.json
observed 046433b35ece8549b8f0d5d66d73dd32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:44.790078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038500/publication.md
observed b2d1398813e10fb78e2aaa48c657eb8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:44.770997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038500/publication.txt
observed 89858253f70c4101288d8127c20cbf9e...
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.