OpenTechnical

OT-2026-000069511

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump 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-2026-000069511) never changes.

Identity and time

Publication numberOT-2026-000069511 · never reused
Internal UUID01a0ae90-b52b-7120-b940-ad176e3ebd5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069511
StatusPUBLIC

Content hashes

Canonical text563970a47bfcc77b0e6e672179749318e3e3664fc50f7cc7998ee70986649c88
Markdown9429396326b9af243fd533add585bd40b322f52516fad0f69d7ead1a08e79a2d
PDF
Publication page053e7791c41a155fb23df27844ac2e485f1597827abffb8bd5d2c4cfcdcf9a05
Manifest594d35a9e9e0fa1275dd3aa55402ec318d9601a7e247738c78c1616b23dec982

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
SignatureO/LLUIz6d5dM166vZ5JC9xqvSMoEMCkKnWq3XNdqVNzlacTwVY/kFHNiXEvRboiap+O2inkq/D3EV2G9eJ63Dg==
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

2026-09-17T10:30:35.888998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069511
observed 053e7791c41a155fb23df27844ac2e48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.872358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069511/manifest.json
observed 594d35a9e9e0fa1275dd3aa55402ec31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.850596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069511/publication.md
observed 9429396326b9af243fd533add585bd40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.830183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069511/publication.txt
observed 563970a47bfcc77b0e6e672179749318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.778312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069511
observed 053e7791c41a155fb23df27844ac2e48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.759740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069511/manifest.json
observed 594d35a9e9e0fa1275dd3aa55402ec31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.741538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069511/publication.md
observed 9429396326b9af243fd533add585bd40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.722024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069511/publication.txt
observed 563970a47bfcc77b0e6e672179749318...
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.