OpenTechnical

OT-2026-000018433

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000018433) never changes.

Identity and time

Publication numberOT-2026-000018433 · never reused
Internal UUID01a0ae6e-b48a-76c8-ac8b-acd9a2ffaf66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018433
StatusPUBLIC

Content hashes

Canonical text9742d835c528dd6ee5fab4ec5b474551c62fcc754a526c3c7b0679dbae5e5503
Markdown80b2a2dd8565407b7ab1f8a31d91b8f4d1262cd91be833998014d4c004f3f19d
PDF
Publication page8d5e5e978c190184e025f15e29585131289adc245bea2902dc81dfa32e5ffe04
Manifestb4908e725a2422808485ac3721092d49b913c7887613d75bf792f8293dba1250

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
SignatureXqnMVziatfW2TTRIQheZUzBKkSbWunuDPnwh9eUlVfkjHXGvJMpT1VeoL+GHuvwJSHmFNSrBkhk4n9lIIMqdBw==
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

2026-09-17T12:01:11.092518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018433
observed 8d5e5e978c190184e025f15e29585131...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.075734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018433/manifest.json
observed b4908e725a2422808485ac3721092d49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.058165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018433/publication.md
observed 80b2a2dd8565407b7ab1f8a31d91b8f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.039662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018433/publication.txt
observed 9742d835c528dd6ee5fab4ec5b474551...
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.