OpenTechnical

OT-2026-000007507

Publication integrity record

Six pad foam 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-2026-000007507) never changes.

Identity and time

Publication numberOT-2026-000007507 · never reused
Internal UUID01a0ae62-4df5-717a-8892-cbb6ec43b637 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007507
StatusPUBLIC

Content hashes

Canonical text1a1b0c84e063f750a480a63c31468a9e2302793b186277a0e1adf4e2aa826e0b
Markdown81c9adaa4e98c951867b717106b2f4f19f2b9e905ad848db50b4392ae39b6a43
PDF
Publication page1a69e7d94d555e77187e150f6c1852b94e81d8e2bfa2b87919a719ed8ca9da3a
Manifeste8def628bc56179cf4d803d096255d9b8998031553cf4997cf98d771dfeb6e32

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
Signature6OSxXwO2T203IE5+feo2thbjBqLcS+3lt/JD0hNd3tTF/ed1+Tl1nbFHNMXKOh2mHcjFiBuFIlYmgEVpp8O3DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:20.716915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007507
observed 1a69e7d94d555e77187e150f6c1852b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:20.699896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007507/manifest.json
observed e8def628bc56179cf4d803d096255d9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:20.683049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007507/publication.md
observed 81c9adaa4e98c951867b717106b2f4f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:20.665091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007507/publication.txt
observed 1a1b0c84e063f750a480a63c31468a9e...
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.