OpenTechnical

OT-2026-000074947

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000074947) never changes.

Identity and time

Publication numberOT-2026-000074947 · never reused
Internal UUID01a0ae93-ac2d-7e65-90dd-f54a06ae93ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074947
StatusPUBLIC

Content hashes

Canonical text33f317e8ee8103be3453a30b357cc608bf52e26e927954f40819b4b9158e0de4
Markdown142fe4266fe1b1664620c88d85b6fe472fb7d0207056af62740553e8fdb0bbb2
PDF
Publication page41882261ddc7e08ff08593f2e1e2e5365e2e7130a2251f9f95fb3fdd11a9f887
Manifeste26865c3a627b2279b20e9efc72217bc4e7fe02cf4f4a8333cb0fa56dd0e88c4

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
Signature04XdNu9gRnqUkhHtkxcAk6bqa2jD3MUgsf2N3qgWzPU56soGgN5jn5K7fmWdExjghIqscmIN2Y6RXX8bDb5tAA==
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

2026-09-17T10:18:40.621664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074947
observed 41882261ddc7e08ff08593f2e1e2e536...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:40.603125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074947/manifest.json
observed e26865c3a627b2279b20e9efc72217bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:40.586811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074947/publication.md
observed 142fe4266fe1b1664620c88d85b6fe47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:40.569720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074947/publication.txt
observed 33f317e8ee8103be3453a30b357cc608...
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.