OpenTechnical

OT-2026-000092208

Publication integrity record

Foam pad vacuum gripper, two zone face, pump 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-2026-000092208) never changes.

Identity and time

Publication numberOT-2026-000092208 · never reused
Internal UUID01a0ae9d-875a-71db-b6a7-31a500251db5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092208
StatusPUBLIC

Content hashes

Canonical text7efd7669bc8dd732cfd5db6deb84898bbf20097f4d65418099473bff241ceb60
Markdown5f2fa62f7617601684cad804e650a9422169f48cbba59bf31d173bcad00bfa7c
PDF
Publication pagecfe5dee765e73d8fc3404a76b105099cf8d1c8b03da4981b9960759ccd2e7672
Manifest28ec66f550ad83f42859b92aae14712979472ae737fdbf026f92988c17a4e5a7

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
SignatureIbnnuV6QpQn4/qiEOb0DB1AkhLgSX43u1Lbt/qNLTQA7AJoTTqKd0TdeSoPuqyopA+Xb02QGR2lh/uNcrFTABA==
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

2026-09-17T09:41:32.595694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092208
observed cfe5dee765e73d8fc3404a76b105099c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:32.577218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092208/manifest.json
observed 28ec66f550ad83f42859b92aae147129...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:32.542713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092208/publication.md
observed 5f2fa62f7617601684cad804e650a942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:32.509916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092208/publication.txt
observed 7efd7669bc8dd732cfd5db6deb84898b...
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.