OpenTechnical

OT-2026-000056430

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000056430) never changes.

Identity and time

Publication numberOT-2026-000056430 · never reused
Internal UUID01a0ae87-4bd2-7377-9906-8ce88664bb2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056430
StatusPUBLIC

Content hashes

Canonical textb4fad665db461b475877465147f20359141f7c8c94a5f0dffff6ad1aa6bb34a5
Markdown731db350a4d8f10e5dcb811efd8dc625488d95143da6138889b5c85a8c34145a
PDF
Publication page10aebd7647075ff04f3f8da65f70a4947319c7c7971039503d61673fc7e2a8af
Manifestc2482001f033ce3b5a112d9c52f3fc9a447ba5d44639d8b5175e640322bbb192

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
SignaturewQn5L/Djn8Pe8TXgX9xGVZzriA58nb6/s08yfVEgmhnKcn9IHm4YupagjpdUv5egIE4owuiWe9stxf8yD5bHBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:57.750389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056430
observed 10aebd7647075ff04f3f8da65f70a494...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:57.733847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056430/manifest.json
observed c2482001f033ce3b5a112d9c52f3fc9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:57.715900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056430/publication.md
observed 731db350a4d8f10e5dcb811efd8dc625...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:57.699294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056430/publication.txt
observed b4fad665db461b475877465147f20359...
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.