OpenTechnical

OT-2026-000071371

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000071371) never changes.

Identity and time

Publication numberOT-2026-000071371 · never reused
Internal UUID01a0ae91-e0ed-7580-8c29-a1987a9c60ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071371
StatusPUBLIC

Content hashes

Canonical textcadc6413f1dd98f0c681905c1c1f072178de5cf4334e3f9f169b309171b6ee91
Markdown188243e1b72b054b7d730e86f49454abaf418edaf30de79fef2d7532a0df0f52
PDF
Publication page77cf78edc8c4d756651e7de3a3fb7d93e84f61d087d1dfc21895c4e4150c5d83
Manifest777b1ce8e783ad94e9f874f24e068d476087d422813cf996c00985956294d133

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
Signature51Fxq89s8HdcYa1N0/fdQKuNZVR9ClKkym4YtVpqnFtLuJd64Xs6Y+Km/PXNJb5otJ4HS2P3Qbi0IOrjvTg3Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:24:59.192654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071371
observed 77cf78edc8c4d756651e7de3a3fb7d93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:59.174622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071371/manifest.json
observed 777b1ce8e783ad94e9f874f24e068d47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:59.155815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071371/publication.md
observed 188243e1b72b054b7d730e86f49454ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:59.137919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071371/publication.txt
observed cadc6413f1dd98f0c681905c1c1f0721...
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.