OpenTechnical

OT-2026-000036091

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, supply line 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-2026-000036091) never changes.

Identity and time

Publication numberOT-2026-000036091 · never reused
Internal UUID01a0ae77-01ce-73c9-b9aa-ba84520e4c55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036091
StatusPUBLIC

Content hashes

Canonical textae35addf131b08aa6e9ccb0379d010e410ab8dc74558b8d3ce4b35ab5881a6ef
Markdown61029c20268d47a1351ef138b1cf54486ec17df18a653200ffe19e22b19f95c1
PDF
Publication page4cc35e1191207e0614d38646da877a09de6886124e0e96f37673d816f2c3655f
Manifest2a29db3d90eb2794759c5b0437b553532e93360a3a3ffe8bf19d272734ff2fdf

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
SignaturehmAgynbrdvmFU7U2I17bzWb4iLDnbyoJ1KRKoiTZiCbHK38iEgJsCs//7/LqRCsokbdJnXaC/qMPwx5GrigLAQ==
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

2026-09-17T11:26:16.913160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036091
observed 4cc35e1191207e0614d38646da877a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:16.897180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036091/manifest.json
observed 2a29db3d90eb2794759c5b0437b55353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:16.881043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036091/publication.md
observed 61029c20268d47a1351ef138b1cf5448...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:16.865220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036091/publication.txt
observed ae35addf131b08aa6e9ccb0379d010e4...
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.