OpenTechnical

OT-2026-000044185

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000044185) never changes.

Identity and time

Publication numberOT-2026-000044185 · never reused
Internal UUID01a0ae7b-d67b-7763-8ae0-e14f660b9564 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044185
StatusPUBLIC

Content hashes

Canonical text0754c6bc329ab2bb9f4b0b507d6224d6b5775622c005f83a4c789bef0156161c
Markdown3d34820bfa156e24c0307da0136c0bf42990b5e7296b5cf01074a24a37dce593
PDF
Publication page490e6e2a1e038468b4801c1f3df596bce60863b30b6ec1e914d11ac35ad48e04
Manifest78f5947b1af8a5709617012b7ecfe9f2874f2ab1ed2fe72af8b59af4165ea62a

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
Signature0G9ifBkCJqAIZyWW5+SudOA7t5L1Gli2yQyRMbhKk6St5lKjNko5LsbRRlyVn8wLXMX28H472vVF7Lmhn7XuDA==
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

2026-09-17T11:12:37.380984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044185
observed 490e6e2a1e038468b4801c1f3df596bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:37.363414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044185/manifest.json
observed 78f5947b1af8a5709617012b7ecfe9f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:37.346379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044185/publication.md
observed 3d34820bfa156e24c0307da0136c0bf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:37.328703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044185/publication.txt
observed 0754c6bc329ab2bb9f4b0b507d6224d6...
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.