OpenTechnical

OT-2026-000019633

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000019633) never changes.

Identity and time

Publication numberOT-2026-000019633 · never reused
Internal UUID01a0ae6f-1fb3-79b0-a68f-e204c64d7e1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019633
StatusPUBLIC

Content hashes

Canonical text673bded0a8a2264c369cf4dd161c86a18087df52cf9d658dc726f7ee727bafc3
Markdown0e0c3e78bc329dcd22bf1d7be6997d97efae19820dfa4b82e2f0d625ba4800d1
PDF
Publication pagee9f15a46d4bae451724ac1d7d8cf4217135f8a6162c1b0c639ff6a91522ad607
Manifestf87312214393d8a3c070f55ad4fa29ceb75022054e61f417c517efda11ccfca2

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
SignatureSWTua93U4H3rxHPmZsJ4r3ufOGH1Ng2wt7NcXrps+gxXqVncvlWHAhRTSiiwT5Mng/lu7Ci2jP7j0jxDbOTCCg==
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

2026-09-17T11:57:41.497851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019633
observed e9f15a46d4bae451724ac1d7d8cf4217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:41.474772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019633/manifest.json
observed f87312214393d8a3c070f55ad4fa29ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:41.455761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019633/publication.md
observed 0e0c3e78bc329dcd22bf1d7be6997d97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:41.436703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019633/publication.txt
observed 673bded0a8a2264c369cf4dd161c86a1...
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.