OpenTechnical

OT-2026-000031689

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000031689) never changes.

Identity and time

Publication numberOT-2026-000031689 · never reused
Internal UUID01a0ae74-bad0-73cd-ab49-860fceed682d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031689
StatusPUBLIC

Content hashes

Canonical text73351e3def912fad59a777f0fbcdc82eb5a660dbb10d4eb3749d2b6e7d4013b7
Markdown2fc10d01b512727629b66e1ce570f08141cbc8caebb98d2af845e0b7a0d228fd
PDF
Publication pagefbdc871502079d241f0707d7f15ba54ca9c2dd1193c573f69cf0d25987adcfdf
Manifest527dcbba374cbec8bae82a5d4ef1c16015960a3c75d3bf047adf4ce521dd5962

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
SignaturehVU+lkBFwY3Eu5h9fNveXTw0IwNd0JsVaSVadsntJdRImxnAt5Fj91tMsG7+unRERpwPf7OB49h0R4zWbAohAg==
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

2026-09-17T11:34:47.589702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031689
observed fbdc871502079d241f0707d7f15ba54c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:47.572729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031689/manifest.json
observed 527dcbba374cbec8bae82a5d4ef1c160...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:47.525773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031689/publication.md
observed 2fc10d01b512727629b66e1ce570f081...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:47.483400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031689/publication.txt
observed 73351e3def912fad59a777f0fbcdc82e...
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.