OpenTechnical

OT-2026-000050344

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000050344) never changes.

Identity and time

Publication numberOT-2026-000050344 · never reused
Internal UUID01a0ae82-5c47-7c0a-af2d-de9f85c674cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050344
StatusPUBLIC

Content hashes

Canonical textf9f8c0e49164f207ef60521c4dce5d5b4904c6bbb6721ea6dc442ce4fc095f61
Markdowna9130981ca61e3a642d60745d76331913e2934feee7257fa2a032ecca705cf4d
PDF
Publication page0449c6bb51e15fa66c79e6e560394dcfa7397d1cb04ba2428348f8fb5bb8a383
Manifestbcff84f642edbee498072231406b83befc55b187334d5933e595dff134889ba1

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
SignatureVvaPGsN4r4YoVjK9aZhQxZogNw4dBC9tz2OwScwyvb+J1WKEOQnh7xeI56Co5ch0OgfttLE0mDh2NnVRvOlsBg==
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

2026-09-17T11:01:22.339894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050344
observed 0449c6bb51e15fa66c79e6e560394dcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:22.325021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050344/manifest.json
observed bcff84f642edbee498072231406b83be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:22.309139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050344/publication.md
observed a9130981ca61e3a642d60745d7633191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:22.293171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050344/publication.txt
observed f9f8c0e49164f207ef60521c4dce5d5b...
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.