OpenTechnical

OT-2026-000028210

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000028210) never changes.

Identity and time

Publication numberOT-2026-000028210 · never reused
Internal UUID01a0ae72-a520-7cc8-bb77-aaa685f29f75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028210
StatusPUBLIC

Content hashes

Canonical text8610ae2582b681fd181f2c712ca03d004e38419b5e9ab8521ce73edf98ebcf75
Markdown1ba84cbda35887c1ce6971f780613b3af836dfc4269d3ea300a0cde5235c6035
PDF
Publication page8d506ce40090ea0353bb772e18b18f7cb1f8c724ddb0065c8ebd09fce8072fb4
Manifest9234f56c422355be2e517bb15380dab3e9a2fada30d418a4ea82460491b0054b

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
SignatureTZTjB1GC7x+w43cTh+4eGo6CC5EicKx7V60CEaMeaqx31Ekrv3MggO4qcL1BDx83j3sAXyAv0QTXxuUo9wx5AQ==
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

2026-09-17T11:42:34.352163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028210
observed 8d506ce40090ea0353bb772e18b18f7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:34.336158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028210/manifest.json
observed 9234f56c422355be2e517bb15380dab3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:34.320866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028210/publication.md
observed 1ba84cbda35887c1ce6971f780613b3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:34.304953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028210/publication.txt
observed 8610ae2582b681fd181f2c712ca03d00...
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.