OpenTechnical

OT-2026-000039738

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000039738) never changes.

Identity and time

Publication numberOT-2026-000039738 · never reused
Internal UUID01a0ae78-d8d5-7be7-9736-e3855ff015eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039738
StatusPUBLIC

Content hashes

Canonical text79a234d21897f5151bbc626795434bf5154496b4db0cc1d054a28d2049955c87
Markdown5f6d8cdb1691ae8cee85d7188dfa51886b97059d75d578732272fc855a0af0af
PDF
Publication pagec25bb94cb01fb6c7ce3b346da8aa93db2a1777e57c4806006b9c0c4f52b9beec
Manifest620779400738e3140bfcb5b44396ddbe15f4b8e6e087a2125ed6b8083d4207f9

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
SignatureikrlmoyGqaKSE1clozih5VGqeALfeTJbOJGkbbIhs+RtPUfRgbfYqYdSs1kHH3QzRD512PDp0zeF3DRMa2xTBg==
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

2026-09-17T11:19:57.031913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039738
observed c25bb94cb01fb6c7ce3b346da8aa93db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:57.013496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039738/manifest.json
observed 620779400738e3140bfcb5b44396ddbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:56.995273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039738/publication.md
observed 5f6d8cdb1691ae8cee85d7188dfa5188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:56.977964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039738/publication.txt
observed 79a234d21897f5151bbc626795434bf5...
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.