OpenTechnical

OT-2026-000083867

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000083867) never changes.

Identity and time

Publication numberOT-2026-000083867 · never reused
Internal UUID01a0ae98-0418-79ca-b6f5-1c091c827eb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083867
StatusPUBLIC

Content hashes

Canonical text56520c6b59109d9869e9986c6b7c1d40f2e11764c9f613e8c9062cd0df4a9ec0
Markdown153eb9a9ac6a6b7ea785b102e58260680edd1c351e29473023de22f52812bcbc
PDF
Publication pageebde5572306e01dea24035ed758d7bdeed0585509ade78d8cdf079bff904163c
Manifestd1a79e742479a4fc6bc2083bfa526b55fa57743adb05e949c70a9a06145e5121

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
SignatureenJfptUIJN9AMpt2B5crARiJN/RaZ7QcrRvGt7RMUTggoRUE85HyCDEywdKLp/xZDX2XRwzivtXsitkzP7MIDQ==
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

2026-09-17T10:00:10.646738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083867
observed ebde5572306e01dea24035ed758d7bde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:10.615067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083867/manifest.json
observed d1a79e742479a4fc6bc2083bfa526b55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:10.582616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083867/publication.md
observed 153eb9a9ac6a6b7ea785b102e5826068...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:10.552071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083867/publication.txt
observed 56520c6b59109d9869e9986c6b7c1d40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.759298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083867
observed ebde5572306e01dea24035ed758d7bde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.742071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083867/manifest.json
observed d1a79e742479a4fc6bc2083bfa526b55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.724588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083867/publication.md
observed 153eb9a9ac6a6b7ea785b102e5826068...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.707041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083867/publication.txt
observed 56520c6b59109d9869e9986c6b7c1d40...
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.