OpenTechnical

OT-2026-000011187

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, vented after 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-2026-000011187) never changes.

Identity and time

Publication numberOT-2026-000011187 · never reused
Internal UUID01a0ae6c-540f-7fa2-b088-f5e208cd2ff4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011187
StatusPUBLIC

Content hashes

Canonical textf9579c0b3f3b93e8840d6e1142d142374cbe72c192c8b198673e881d05989305
Markdown03917d5c0edad29ba0a56bbe437c02b39cf76bae08c58dff4eba33f3bf68dc23
PDF
Publication pageb022c3084233e0b2b7c7c92cd8fd52dc8349016e9dd8a1745e469f4bc3a69989
Manifestb3c01390f09ebce14fa08ee9502ce5627f2fd43830cf70ac4a50f01a2ae00d35

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
SignatureH5233Sqh3+iQ7DYaBX5L7xRhske1MgnwbU4XMJCJbmF1Jx9dbW3qxUU9/Aj0Pll1/Z9aZfZqToz3nPSopFakCA==
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

2026-09-17T12:14:07.849605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011187
observed b022c3084233e0b2b7c7c92cd8fd52dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:07.830542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011187/manifest.json
observed b3c01390f09ebce14fa08ee9502ce562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:07.810874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011187/publication.md
observed 03917d5c0edad29ba0a56bbe437c02b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:07.790508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011187/publication.txt
observed f9579c0b3f3b93e8840d6e1142d14237...
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.