OpenTechnical

OT-2026-000044330

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000044330) never changes.

Identity and time

Publication numberOT-2026-000044330 · never reused
Internal UUID01a0ae7c-39d6-79f3-a2da-1a17bf29182e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044330
StatusPUBLIC

Content hashes

Canonical textf425bf6e6304453234c3a85994271bbe180cbfb08748590898f12f5478f2560a
Markdownbaf02fa095291227b4a9d3cd5587d38d11a4fbc9d42f2127f7e10feded6f9c35
PDF
Publication page5b2c7560d100f2334c8dd1869e4440e560e7e01efca0f826b990cf8d6fce1204
Manifestc3503746968fc0225ab3da2d1f3a62cc0b0dff6297838a5a29dec096170af059

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
Signature2JlPUt6jU7ZwUIR//bUO8xtWPenm7Ud1BKvHXxqrxIVoVFLTtzVmksM45aiFtqIq0g+Nhret78LmbrZdcYu4Aw==
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

2026-09-17T08:30:22.309026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044330
observed 5b2c7560d100f2334c8dd1869e4440e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:22.290491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044330/manifest.json
observed c3503746968fc0225ab3da2d1f3a62cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:22.269810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044330/publication.md
observed baf02fa095291227b4a9d3cd5587d38d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:22.246501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044330/publication.txt
observed f425bf6e6304453234c3a85994271bbe...
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.