OpenTechnical

OT-2026-000018873

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000018873) never changes.

Identity and time

Publication numberOT-2026-000018873 · never reused
Internal UUID01a0ae6e-d522-7d5f-8827-f4aba2b87060 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018873
StatusPUBLIC

Content hashes

Canonical textf20a55eb931b1c0a7088ad521ec90a6edac7ce1f0741b014d6441d5c7ab61208
Markdownb34cb9fbe5dfd451113d29949aead36f6bd1b77c610631bd347374a0057eb787
PDF
Publication page1e5f8ee68c74b10bf2bcb461db5b2b4decee6a1c8e9678cb34814583415b8ff4
Manifestacc949a2858901d7d44abefcb1fd58300037d6e3745bdbf0d95e827c039a48b4

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
SignatureXT8LYfTYhXU0C9xI8z1i9Pnn2yovat5UkEBxJg7fegZIXeAMQoWk/RxqYEKia26aEMFUt6yveca3RPjHtNFqDA==
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

2026-09-17T08:41:12.501377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018873
observed 1e5f8ee68c74b10bf2bcb461db5b2b4d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:12.238734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018873/manifest.json
observed acc949a2858901d7d44abefcb1fd5830...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:12.057802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018873/publication.md
observed b34cb9fbe5dfd451113d29949aead36f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:11.745255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018873/publication.txt
observed f20a55eb931b1c0a7088ad521ec90a6e...
fetched by grabo-systems from 34.44.131.203, 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.