OpenTechnical

OT-2026-000034004

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000034004) never changes.

Identity and time

Publication numberOT-2026-000034004 · never reused
Internal UUID01a0ae75-df0c-7ef2-a048-4d4cf72a11f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034004
StatusPUBLIC

Content hashes

Canonical textdb66241ab74bd78ba962d1cbd9e45a1af698e684241d0af292d9e1b59f894910
Markdownea470a298e4ec69fa6c49c859a7cb81e03eeca464a75afa5cd0dc1d07c6b2b56
PDF
Publication page5d3905f525b54a7ff5834ce474d7877735a2d3aacd927bd8dfc9b03574414945
Manifestbdd248b055534c94156d62482103848036c824b0f6f7262c16bb26e85731307e

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
SignaturebYoOYdBq0A3fNM9J1GKovb3wZt/E7q0Ezfj3GpdaPsQ9dpK3LpztPykOMf5pojyBHaVa0pyPClZWK83gT7PAAA==
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

2026-09-17T11:30:13.206943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034004
observed 5d3905f525b54a7ff5834ce474d78777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:13.188647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034004/manifest.json
observed bdd248b055534c94156d624821038480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:13.170152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034004/publication.md
observed ea470a298e4ec69fa6c49c859a7cb81e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:13.145052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034004/publication.txt
observed db66241ab74bd78ba962d1cbd9e45a1a...
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.