OpenTechnical

OT-2026-000029637

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000029637) never changes.

Identity and time

Publication numberOT-2026-000029637 · never reused
Internal UUID01a0ae73-5e22-78cb-a95c-2f84fb39b8e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029637
StatusPUBLIC

Content hashes

Canonical textf36e607c8c0ab2a64b6529629361b723294a1dcaf116cb9e2f2787b2e3d42a3d
Markdownea226db3b6e3272fcf14374061a3e8388a93c0efd643cdf662cd4ebd9eca8567
PDF
Publication pagee6b3b2539aa0302df0433e77e64ff7737b873515a2c23d9a6800581ee4db3fe0
Manifest7122132ef874e5972d9304042ca38a234e95c2509571114a6c262614900beefb

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
SignaturewEZw594moY74i1cBDU35dX4peFO6hf6iXF0ilRsCSeSrdwCnMZmwA5KcIbHq+X3x/HVNcD0RzD+wDq2TKmfBCA==
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

2026-09-17T11:39:20.813824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029637
observed e6b3b2539aa0302df0433e77e64ff773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:20.796489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029637/manifest.json
observed 7122132ef874e5972d9304042ca38a23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:20.778928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029637/publication.md
observed ea226db3b6e3272fcf14374061a3e838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:20.762774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029637/publication.txt
observed f36e607c8c0ab2a64b6529629361b723...
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.