OpenTechnical

OT-2026-000006800

Publication integrity record

Vacuum cup gripper, common isolation valve, ejector fed, sustained 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-2026-000006800) never changes.

Identity and time

Publication numberOT-2026-000006800 · never reused
Internal UUID01a0a967-d23f-7b1f-91ae-36916529da24 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:49:08.674099Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006800
StatusPUBLIC

Content hashes

Canonical textadff4a135d75080cff92194809a3804b8b089ba9a63f4bf9353e7e11d9c9e112
Markdowndcf91989d95481b8e5157dc58830fc37cbeffbe1161836a6eb34b3fff0d0f082
PDF
Publication page50ffe175e5aad48eff6e685a6b46f93eb39579f21b9abd89dfb4e169302ed63a
Manifest1ebad8dc6bfe88ed3859f8ed11e7fc84620ad4cc383512d92c67f15445f6adff

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
SignaturebJKYwxuaH+UTApSXtL77MR4jx7TT06j/ZmHt4gEKbHNd2M7IO0n3oKbRVUTuW0h8czabpMMAWqXKRtlWpfy1Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T08:50:04.947118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006800
observed 50ffe175e5aad48eff6e685a6b46f93e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:04.934696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006800/manifest.json
observed 1ebad8dc6bfe88ed3859f8ed11e7fc84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:04.916893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006800/publication.md
observed dcf91989d95481b8e5157dc58830fc37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:04.902020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006800/publication.txt
observed adff4a135d75080cff92194809a3804b...
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.