OpenTechnical

OT-2026-000040988

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000040988) never changes.

Identity and time

Publication numberOT-2026-000040988 · never reused
Internal UUID01a0ae79-6d11-750b-90cf-46ca00e4474f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040988
StatusPUBLIC

Content hashes

Canonical text62cff262c848460f48e6d1bf83d145c520a956df41042eb270959b59f461f06f
Markdownf7e139aaf491d0de1c6be59198558786b4fc778cd231ec6d3e5dc9782b65a320
PDF
Publication page5871518356f9859e716ca127deccf354978916b6ec36556ce711ccd099acea52
Manifestcfb161c9a911a0aa2f850b7d93168fdc4c4dbbb714a801f576f54f5ed4791f49

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
Signaturec1/5wKaE6YkXhDJgRfv0geI5ZvFn3d1w55b+hFerqGeEfcC2YVx3RTQeIKY43eEsHk1qxjkVWGdIkI3A41KnDw==
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

2026-09-17T11:20:23.835000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040988
observed 5871518356f9859e716ca127deccf354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:23.815940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040988/manifest.json
observed cfb161c9a911a0aa2f850b7d93168fdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:23.797912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040988/publication.md
observed f7e139aaf491d0de1c6be59198558786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:23.779719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040988/publication.txt
observed 62cff262c848460f48e6d1bf83d145c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:48.471963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040988
observed 5871518356f9859e716ca127deccf354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:48.455059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040988/manifest.json
observed cfb161c9a911a0aa2f850b7d93168fdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:48.437948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040988/publication.md
observed f7e139aaf491d0de1c6be59198558786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:48.420025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040988/publication.txt
observed 62cff262c848460f48e6d1bf83d145c5...
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.