OpenTechnical

OT-2026-000104177

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000104177) never changes.

Identity and time

Publication numberOT-2026-000104177 · never reused
Internal UUID01a0aea5-341f-7cf9-b3d4-1935d6f33d43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104177
StatusPUBLIC

Content hashes

Canonical text4736e7321a249887ecdb5d2f4772238dab339a858f21751f8211e68a3e96b405
Markdownfd2923209e61dfe80a9247da0ec874457dee575f822b502773f027b818c2f2ac
PDF
Publication page90916155f557a056ce4113f009ad5927f96234402e6fe8b9d3e455bfda07eb27
Manifest89978c46b438bd55c067033019e066528bd954fa566c2dcc8365195f8a7c83a6

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
SignatureL9QjFFSXeMVOyz1OayuhJj68DhPJtlJNOFxkLJEKFcJcFixtBT8Gbs6UBbYsX+UdNLi0Ouj53rvGQzUvt4jBCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:16.252638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104177
observed 90916155f557a056ce4113f009ad5927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:16.235288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104177/manifest.json
observed 89978c46b438bd55c067033019e06652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:16.217984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104177/publication.md
observed fd2923209e61dfe80a9247da0ec87445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:16.200087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104177/publication.txt
observed 4736e7321a249887ecdb5d2f4772238d...
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.