OpenTechnical

OT-2026-000072712

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000072712) never changes.

Identity and time

Publication numberOT-2026-000072712 · never reused
Internal UUID01a0ae92-89d9-785d-a4fd-2b511dc5237b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072712
StatusPUBLIC

Content hashes

Canonical textee2086b06abc83a4b25d9215ce7177330b712efe7c278375043f124bb146196d
Markdown06bd59eb6a5862b908986ece8c6decc2f56d0c5671b0d3c8a06f5c3c5134a5d4
PDF
Publication page28c14403be83737d35b3cf67a66ca28a334eb883cba105d3214ed993333daf8a
Manifeste6e3329ea1e83381db7dbc96ece30e488668bc9702e0df6ab4b2231d98908194

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
SignaturelRWCMlVPS5PFuUxzvtgQ5/2LpkWN55RalsfsF+UO5/966vg0sVAHGV8uFb9ylU8VQz1v1ZvEoK86jYnluDUeDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:36.549204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072712
observed 28c14403be83737d35b3cf67a66ca28a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:36.532326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072712/manifest.json
observed e6e3329ea1e83381db7dbc96ece30e48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:36.516963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072712/publication.md
observed 06bd59eb6a5862b908986ece8c6decc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:36.500151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072712/publication.txt
observed ee2086b06abc83a4b25d9215ce717733...
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.