OpenTechnical

OT-2026-000046154

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000046154) never changes.

Identity and time

Publication numberOT-2026-000046154 · never reused
Internal UUID01a0ae7e-032b-75a2-a018-84e6894498b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046154
StatusPUBLIC

Content hashes

Canonical textb9f4bfcf11b2dc0fecd9ee0a02e9b686ad2a9d73ed28bfc7d6b4c7c8682b7a86
Markdown854427ad45335d178e7fa2203ff639cef69e8b8894db83900c9b609d7ba316e2
PDF
Publication page636b266d03080d9b66c7f20e6f83a29843affb214e15fe903083b127998d3135
Manifestba081998a384a808dfddd8a71a522f0884920bd423245913e3718cbf9e3a28b7

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
SignaturePiy0jzzS2+/tmc8wBSLMfFnOe1waWrkM6qmSfn66IhmPeu6kADKDMKEaqWwgAvwip5CHAZQuVAzOyQkj5RzlCQ==
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

2026-09-17T11:09:09.060628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046154
observed 636b266d03080d9b66c7f20e6f83a298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:09.040701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046154/manifest.json
observed ba081998a384a808dfddd8a71a522f08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:09.023357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046154/publication.md
observed 854427ad45335d178e7fa2203ff639ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:09.003991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046154/publication.txt
observed b9f4bfcf11b2dc0fecd9ee0a02e9b686...
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.