OpenTechnical

OT-2026-000028193

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000028193) never changes.

Identity and time

Publication numberOT-2026-000028193 · never reused
Internal UUID01a0ae72-a520-733d-8f20-33940d338fa8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028193
StatusPUBLIC

Content hashes

Canonical text6eb82c495ae1af3f9175685ae60513c519c06001a330c974b98d6c009ebb2abe
Markdown3b72ff058a9f8b43d9bdb0f2b9d07ae6be4d3db6a5f157686111817d10d74c94
PDF
Publication page2a8406bd33c471ff10393ccc5ade65397cc40f80e809065270270b0c7ccdba9e
Manifesta86e06ab665502a43cc570b4ac02b737b4255ee947d74a278c0d9c4ee78983a3

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
SignatureBXPYOcEL9ewLlmiryvn42oTl4X5j5Cb9+kBL+rjyTzk7hGE3rEZb+DT6/GJXYWLvUoUfYsa5bMqrMBfSGUOeDg==
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

2026-09-17T11:42:33.358052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028193
observed 2a8406bd33c471ff10393ccc5ade6539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:33.342846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028193/manifest.json
observed a86e06ab665502a43cc570b4ac02b737...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:33.323610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028193/publication.md
observed 3b72ff058a9f8b43d9bdb0f2b9d07ae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:33.306745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028193/publication.txt
observed 6eb82c495ae1af3f9175685ae60513c5...
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.