OpenTechnical

OT-2026-000011381

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, vented 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-2026-000011381) never changes.

Identity and time

Publication numberOT-2026-000011381 · never reused
Internal UUID01a0ae6c-88fe-763c-b65b-c7c8aa8b528a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011381
StatusPUBLIC

Content hashes

Canonical textda4041214fd509c3783cfacc3f6025870158a520a3182a64313d1d42a8860c23
Markdown1d9115b68ecfb99110f29600a9182b69c8fe77403f3184161c2c90e39d335761
PDF
Publication page7942e39e00abe89bb0ffa743c1197518c97c6f616aa35db032efa65a8bf78fd9
Manifest137698545b8dfd293341cc7d88f8029b5732ad4208948287d6814395be9edcda

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
Signature2jMRvMsQH8HfGJB6kc9RV92MYDisOee8xYq0PrQZqDxs6GXi61K+6ALdTXnbHa+5H5QjMXj9HWFWPOwp+M6cCA==
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

2026-09-17T12:13:07.391456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011381
observed 7942e39e00abe89bb0ffa743c1197518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:07.371627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011381/manifest.json
observed 137698545b8dfd293341cc7d88f8029b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:07.350890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011381/publication.md
observed 1d9115b68ecfb99110f29600a9182b69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:07.332427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011381/publication.txt
observed da4041214fd509c3783cfacc3f602587...
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.