OpenTechnical

OT-2026-000068135

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000068135) never changes.

Identity and time

Publication numberOT-2026-000068135 · never reused
Internal UUID01a0ae8f-c4ff-7d74-a89e-40751f783124 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068135
StatusPUBLIC

Content hashes

Canonical textc2331e8638ef5accee2d43fdb5703d20e0fd4f01f9b21b06f3b89b3cf20fe557
Markdown31bd33e77459e7a65563fe200c21e5016020d6a7dd156241b5ba2132dd35291e
PDF
Publication pagec65090895217bf6045c61dc96a7ee844160d733b15fd5f10762e04315f4fc825
Manifest9d3c4a4eabfbbcd51b585e1b61041cea77aa6bd7c792fd094cfe964f0e545a41

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
SignaturebUQlsK/WZPEViddopLjLM5uTlSXmu7MTwmnQxd3uIlH9W/5rWAt9+T+ZYzxy1G40taE9k2ZQPHjUY9XnESbuDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:46.638791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068135
observed c65090895217bf6045c61dc96a7ee844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:46.618644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068135/manifest.json
observed 9d3c4a4eabfbbcd51b585e1b61041cea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:46.598119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068135/publication.md
observed 31bd33e77459e7a65563fe200c21e501...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:46.579455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068135/publication.txt
observed c2331e8638ef5accee2d43fdb5703d20...
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.