OpenTechnical

OT-2026-000021484

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000021484) never changes.

Identity and time

Publication numberOT-2026-000021484 · never reused
Internal UUID01a0ae6f-865d-7671-a809-f1266964b6d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021484
StatusPUBLIC

Content hashes

Canonical text683972665374ba66ddebb429dc791fe0df772cb27fa07f2ebb61e1b82fbb0f12
Markdownc69af7c5db21f0b704acf3802460db8f6e64f81a77d170fc8c0491d313e445a2
PDF
Publication page1faf1bf9bfe319a2e03ab77d46fd935bfbfda87c0d361406b4640d2ed63024b7
Manifesta23432cb2c26232b1d910f2f829e1a11857db9b6bb9ac1f3fce8b8d11e09c326

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
Signature13egf0Q9bWtECmab7w2vJt0QkoJOo0FR35eNKMJSMwkRB4FCQ6QqCVjNQDDtrVwi3YDh84HzeL/oYr4j9akvAQ==
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

2026-09-17T11:55:23.945882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021484
observed 1faf1bf9bfe319a2e03ab77d46fd935b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:23.930444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021484/manifest.json
observed a23432cb2c26232b1d910f2f829e1a11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:23.913580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021484/publication.md
observed c69af7c5db21f0b704acf3802460db8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:23.896763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021484/publication.txt
observed 683972665374ba66ddebb429dc791fe0...
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.