OpenTechnical

OT-2026-000015102

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000015102) never changes.

Identity and time

Publication numberOT-2026-000015102 · never reused
Internal UUID01a0ae6d-d097-7610-b7ce-52047cf76c43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015102
StatusPUBLIC

Content hashes

Canonical text5bed0b305d7bff67b78c8f426a14dd93a5e9c4decc8f105b459407459088e031
Markdownc8cc4b3438524442caaa3bf2a1ec57e637da3dd4493ddc7b04e22696f033ee08
PDF
Publication page1fbbed937e9cd7dc65c311f50ef8fd8d8bd96758d368228da7a74a4b94ab1499
Manifestc324f78e8f3e3d1260bb68c14b976286e6c60d8317dde717b2cfd7c3b84fc5c9

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
Signature9jVGyKs5CVtgWdD4tMPZDVcp8LUPa/qqczWH+bnAhMl3XPoVAS2278v6n6fvlGaJEnKe1cWcXTLmp+tbHG3ODA==
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

2026-09-17T12:07:09.680771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015102
observed 1fbbed937e9cd7dc65c311f50ef8fd8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:09.660127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015102/manifest.json
observed c324f78e8f3e3d1260bb68c14b976286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:09.639201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015102/publication.md
observed c8cc4b3438524442caaa3bf2a1ec57e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:09.617285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015102/publication.txt
observed 5bed0b305d7bff67b78c8f426a14dd93...
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.