OpenTechnical

OT-2026-000027353

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000027353) never changes.

Identity and time

Publication numberOT-2026-000027353 · never reused
Internal UUID01a0ae72-6997-71db-ad33-bd2b29e5ef49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027353
StatusPUBLIC

Content hashes

Canonical textbcbb82559f348456bc2b0057930727c4e7130c9b9ceb44c5855ae81e72720bb3
Markdown5cf2217857a5055cbb2551cc4711073b57603fab7ec04c40ef620ab7df31d2f0
PDF
Publication pageac47a3a6dfa44c8f4b2bc69563d5a751f49833b89916f6c3a2fc02ca3a6231f6
Manifest91546294cc181a515aea4bd00ae7eee7d2698ef0a055fa86f3592927a8161e5a

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
SignaturePE/e/f65bQs6TzKwHS6hgoIdAJCeQXunOgHNudYeifBMbDZ7x9+k5bEKWtaDvVlrSvdtNZv6WEZs6VJvqOfYBg==
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

2026-09-17T11:42:45.791265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027353
observed ac47a3a6dfa44c8f4b2bc69563d5a751...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:45.768578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027353/manifest.json
observed 91546294cc181a515aea4bd00ae7eee7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:45.747272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027353/publication.md
observed 5cf2217857a5055cbb2551cc4711073b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:45.727807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027353/publication.txt
observed bcbb82559f348456bc2b0057930727c4...
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.