OpenTechnical

OT-2026-000022138

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum 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-2026-000022138) never changes.

Identity and time

Publication numberOT-2026-000022138 · never reused
Internal UUID01a0ae6f-f4fb-71a2-a084-8b53170a2baa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022138
StatusPUBLIC

Content hashes

Canonical textf5f15107d8a5c9096898f95c67af6a9ca106b6dc52539310ce1ec9ce561e1eef
Markdownbc09e62ee87826c98633905e23a812bb1a16581084b823025b364a516ac97fa8
PDF
Publication page0bde9907b19139d6328242310349dbcf8bd873d7bdaa9685dc7469d933d21bf5
Manifestbe6fdd906217c3eb44c31bff9860754f1a4b60c4905f56742870b0a3b3845c55

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
SignatureeAUZe0LPBmLUAtUVwtSyqTOud74pLNuegmBjXUaz1S+Kte/JoY00/tiWCQGpQy2bPoZNvaXtm38DHoUHkqhMAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:52:48.757135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022138
observed 0bde9907b19139d6328242310349dbcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:48.735119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022138/manifest.json
observed be6fdd906217c3eb44c31bff9860754f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:48.715016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022138/publication.md
observed bc09e62ee87826c98633905e23a812bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:48.697322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022138/publication.txt
observed f5f15107d8a5c9096898f95c67af6a9c...
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.