OpenTechnical

OT-2026-000072230

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000072230) never changes.

Identity and time

Publication numberOT-2026-000072230 · never reused
Internal UUID01a0ae92-47c2-7695-965b-c6565359c4f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072230
StatusPUBLIC

Content hashes

Canonical textc2b4320bafa3b2faef5f31c7e2b6a969619367ff8f4c5ab21ab3b9c08372bf55
Markdown3b74046245e96fd99cb8c4603a09dc9a863c9eb178b8ba9d07271bf9de4d8b77
PDF
Publication page6cc264268178cb24bf5aaae88b4b563143c13019b6418365e6d3fc04d26c36a0
Manifestc8089ceea21e9f94f95eee532e77f56ca9d60d3a4dd44f4efafe9c1e99b732eb

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
SignatureD3844NenThMLr0RInWqNYnggcRrGblFFdGQunwhUMWN1wWkGZRJS0TtmBool7KNUHBx6tkS8zdjE/XyKNoRgDA==
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

2026-09-17T10:23:20.131013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072230
observed 6cc264268178cb24bf5aaae88b4b5631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:20.112722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072230/manifest.json
observed c8089ceea21e9f94f95eee532e77f56c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:20.096514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072230/publication.md
observed 3b74046245e96fd99cb8c4603a09dc9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:20.080483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072230/publication.txt
observed c2b4320bafa3b2faef5f31c7e2b6a969...
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.