OpenTechnical

OT-2026-000050218

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000050218) never changes.

Identity and time

Publication numberOT-2026-000050218 · never reused
Internal UUID01a0ae82-5c46-734d-aa33-adbd13076c70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050218
StatusPUBLIC

Content hashes

Canonical textb96a51f895163f2cb3085586596fc51851aaee4fcff0ba3f71f980fc2a9d546c
Markdown398117eced412d6aac40cb1ffa4bc276caced5921ebcb3c07908e48bed47d2de
PDF
Publication page07f632d00bdab40d8c4760ffd63130749b55d3cf55e716af6a7cc9c0aa03331c
Manifestcf19be7ce9b39aab1b2075e1aa209bfba7c3bed3e8738161bc671dd4a857fb2f

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
SignatureONqTN3164r3r4ueG6K/CeQkPjJAwUy7VtmD5npumjv4cyXX72yizSaUd3zrpjBUdxoFWOLxJJ5/cfE5rmlgMAQ==
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

2026-09-17T11:01:12.579482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050218
observed 07f632d00bdab40d8c4760ffd6313074...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.563391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050218/manifest.json
observed cf19be7ce9b39aab1b2075e1aa209bfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.547979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050218/publication.md
observed 398117eced412d6aac40cb1ffa4bc276...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.531856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050218/publication.txt
observed b96a51f895163f2cb3085586596fc518...
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.