OpenTechnical

OT-2026-000022193

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained 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-2026-000022193) never changes.

Identity and time

Publication numberOT-2026-000022193 · never reused
Internal UUID01a0ae6f-f4fc-76de-8a27-3618b8365bc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022193
StatusPUBLIC

Content hashes

Canonical text3035aa486b2b560a6016742c5f84e5ddd7471b4283963b435f938c3825985625
Markdownd93733da95eb3f8b9a00e21733cc765430bfda81d57bbd139b5f6d6e436dde30
PDF
Publication page53bfc7307be3a3534d5c18f163f68817de01293433fc5a2e020fe6f59ad52a43
Manifest5f8121269ed2d8fa44865b9877b0827bcc3afb6842f6270757c9a3d682fd5294

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
SignatureAwkOrrYvCQf0eOC8Vo2sX1OqhRJkorNCoNJ/VV9iBiv6unaVOgFAKoYWWyDJCgAXksW9MdgD0qK1hPwiVybACw==
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

2026-09-17T11:52:52.641829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022193
observed 53bfc7307be3a3534d5c18f163f68817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:52.621109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022193/manifest.json
observed 5f8121269ed2d8fa44865b9877b0827b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:52.602533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022193/publication.md
observed d93733da95eb3f8b9a00e21733cc7654...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:52.583777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022193/publication.txt
observed 3035aa486b2b560a6016742c5f84e5dd...
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.