OpenTechnical

OT-2026-000053031

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, 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-2026-000053031) never changes.

Identity and time

Publication numberOT-2026-000053031 · never reused
Internal UUID01a0ae84-a430-7baf-85aa-3be71832ce7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053031
StatusPUBLIC

Content hashes

Canonical textac2225e48a7581cfd0598cc7b03106c3391e558054dab30dd42d7afd3c1f9983
Markdown2aeaa5992cf59c9a592e755fe190f8e7ab541de715145f844b742216cf47d21e
PDF
Publication pagea71057af8aa0d99bebe3e072ace02d8647a571ae1549269053cbb4a36a630f77
Manifest314b4d07543e5f9568e426c2726ee1737368cf765b3fab3cdcb15f67610b5803

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
SignaturezNY5+VDhIdWNdi+uAevfw21kgE9RjM0q0G+Z1nj/gw8BWnNhAX9B2LIMDWt+/2LiuWpgDvvB97Eo5qHkjQ7HCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:44.105267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053031
observed a71057af8aa0d99bebe3e072ace02d86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:44.086015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053031/manifest.json
observed 314b4d07543e5f9568e426c2726ee173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:44.068845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053031/publication.md
observed 2aeaa5992cf59c9a592e755fe190f8e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:44.052775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053031/publication.txt
observed ac2225e48a7581cfd0598cc7b03106c3...
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.