OpenTechnical

OT-2026-000091499

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000091499) never changes.

Identity and time

Publication numberOT-2026-000091499 · never reused
Internal UUID01a0ae9c-f16d-73ba-80d0-136d9ed970b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091499
StatusPUBLIC

Content hashes

Canonical textb382a240cada99f0df480dd6156a4ccdf0ffb54a24c2ec023d1e908265818f68
Markdown1cb8572a08ce95875cb812383db492b3451b036968dbf93ab7de599fb250266e
PDF
Publication paged2a6af90e52fd7b53678168a4aa30170dc73465bf4d934a4fc21b8243a43cb4a
Manifestf73bd4df28e5a84780c108e4f3efb4803c7808507d3d418006982f79b306f277

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
SignatureFxATnfwJFsRYM3g6i5L2WjpVWL65Egfupb9M21dIpbgrXNuWi/dxzwtoDaaLi9jpuZFH2v9at+8bvOxjisGyCQ==
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

2026-09-17T09:43:45.634347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091499
observed d2a6af90e52fd7b53678168a4aa30170...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:45.615719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091499/manifest.json
observed f73bd4df28e5a84780c108e4f3efb480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:45.599374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091499/publication.md
observed 1cb8572a08ce95875cb812383db492b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:45.581498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091499/publication.txt
observed b382a240cada99f0df480dd6156a4ccd...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent