OpenTechnical

OT-2026-000009993

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000009993) never changes.

Identity and time

Publication numberOT-2026-000009993 · never reused
Internal UUID01a0ae6b-cb79-780f-8780-ea9f63939d3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009993
StatusPUBLIC

Content hashes

Canonical text88f1c61930cd19969d86f9190b9f1a29fd2a5860d0a3c0053cadf3533e7dfc97
Markdown809582d8c1b373d090cd1ad35b392c4cb5320c3461dd601b98031ca2020cd431
PDF
Publication page5d860efa86b242c17d8fa7e0141f5c2d3b61dd4bf382b1f41979dc90fe948218
Manifest4de9be6d45953fc57cda21587e287bb4db64d6a4ce2e84f17a7e74adb5affe31

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
Signaturen3KdJbMcosq0WZ6Y+yjGXwpjg8jR0pPiLvMRTlzvZwNyQ83Bj0CssQQP91wNbl5Z3FoeHYxw1Abgy5Jp7iWeBg==
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

2026-09-17T12:16:02.483404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009993
observed 5d860efa86b242c17d8fa7e0141f5c2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:02.465224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009993/manifest.json
observed 4de9be6d45953fc57cda21587e287bb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:02.446803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009993/publication.md
observed 809582d8c1b373d090cd1ad35b392c4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:02.429113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009993/publication.txt
observed 88f1c61930cd19969d86f9190b9f1a29...
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.