OpenTechnical

OT-2026-000028163

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pulsed blow-off before set-down

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-2026-000028163) never changes.

Identity and time

Publication numberOT-2026-000028163 · never reused
Internal UUID01a0ae72-a520-7f64-ac24-4f601b0ed272 · 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-2026-000028163
StatusPUBLIC

Content hashes

Canonical text782744f4bab878b2f3ff4cfaebf39946d8ec5c02f403059fbd93957f663acc93
Markdownb6bc4bf21c70a384bb63239baeeb843e57e17a4f8b81ac665c392e5cd498dbee
PDF
Publication page53f10867eb018069b912a22735f537cd4e7d36cb7cf9fa3f927b0d6be7ab453c
Manifestd0f4f0a48ae302967912e3275f76d4f8c1297061b1e4cd8b499fb5ac23e06fd2

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
Signature9F7/F5+1rle9uMQPGHR5ZDzV2168RLLiyimBtHURQQKCzXTbEXGy9AEiU2dg0ay1narE/Y90euKjAWqLs5/eDw==
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

2026-09-17T11:42:31.042126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028163
observed 53f10867eb018069b912a22735f537cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:31.016599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028163/manifest.json
observed d0f4f0a48ae302967912e3275f76d4f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:31.000282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028163/publication.md
observed b6bc4bf21c70a384bb63239baeeb843e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:30.983680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028163/publication.txt
observed 782744f4bab878b2f3ff4cfaebf39946...
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.