OpenTechnical

OT-2026-000018885

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000018885) never changes.

Identity and time

Publication numberOT-2026-000018885 · never reused
Internal UUID01a0ae6e-d522-75ce-bf56-e52d7c618b5f · 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-2026-000018885
StatusPUBLIC

Content hashes

Canonical text015d82d6c9526a8a2239c68bdc1be8bdb26a94169ad0f62379ec825c977b0726
Markdownbc340b04fcf85ff21376e9c92224ec76d9da1d20f1f7f2453be95ee09e0f3d56
PDF
Publication page0d75fd9ba532f1283a1f2661bcc432a4b0b4237db2d441390f1321ea16b7e519
Manifestc0c41af0c1b76e3c6101068c289a190803a96fd8a97f462f66d931ff10409398

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
Signaturepe8vbJviPh/RuTyVEu3a5JNo3O6efN/Pbxi0S0rTS5sWa2zF8DeacgrLtXGk4JJPjqf6LkPac/hiznmi61QwCw==
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

2026-09-17T11:59:32.183346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018885
observed 0d75fd9ba532f1283a1f2661bcc432a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:32.167325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018885/manifest.json
observed c0c41af0c1b76e3c6101068c289a1908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:32.148101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018885/publication.md
observed bc340b04fcf85ff21376e9c92224ec76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:32.128694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018885/publication.txt
observed 015d82d6c9526a8a2239c68bdc1be8bd...
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.