OpenTechnical

OT-2026-000013017

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000013017) never changes.

Identity and time

Publication numberOT-2026-000013017 · never reused
Internal UUID01a0ae6d-5564-7344-bb01-c079cf1ab067 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013017
StatusPUBLIC

Content hashes

Canonical text2d20fb21562e077e3f962b633ebc14122396208cea5b22119eb560372243ab88
Markdowne665ab8924608f7ddb239d9f336ff28e76c7273c6a8b69c22565e548bb36dc36
PDF
Publication page36abc8fe67d91d7cab64ceb9398061c3f2121298565edf4da4a2620bb595b5f8
Manifest512ffed08fc4872aaa124e84850c7518b7155258a4d91301bfc4101642b25b59

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
Signaturem9ZL3aE6gjkt+C+bTRAGASh/Wa4FfR6rUeqtNmJi/03XUoPau7ZQKs+zIr2doLqp/crFtMHMlq5cuEfbsRr8Ag==
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

2026-09-17T12:10:50.529423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013017
observed 36abc8fe67d91d7cab64ceb9398061c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:50.511087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013017/manifest.json
observed 512ffed08fc4872aaa124e84850c7518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:50.493200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013017/publication.md
observed e665ab8924608f7ddb239d9f336ff28e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:50.474139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013017/publication.txt
observed 2d20fb21562e077e3f962b633ebc1412...
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.