OpenTechnical

OT-2026-000093174

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000093174) never changes.

Identity and time

Publication numberOT-2026-000093174 · never reused
Internal UUID01a0ae9e-0910-769d-ab6c-9074a09d2c6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093174
StatusPUBLIC

Content hashes

Canonical text5591f1472768157e06059075115a2e4c0037d8d8124030f1b3affa38863bca04
Markdown3c1cc12f49ca44b7fa5d4db9922599fdffb0c02a52f831ed000b6eb5a40afddf
PDF
Publication pagea4379f8c1b8095c6b5081925a2efb4e80b6ae1e9a1777ce4f0a0caeaab0fbdca
Manifest6c06291580781ea9194fca27fe943d189a5993f918379b748104971797751cad

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
SignaturemIthAT5cHHvsqtrXgdBqcufyPm6XQJKqU2UTSZiEDrFdpPAALqMU6n4vrh/urlRVd2pSZUnJKwVlCSeofbnDDg==
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

2026-09-17T09:40:28.503572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093174
observed a4379f8c1b8095c6b5081925a2efb4e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:28.486366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093174/manifest.json
observed 6c06291580781ea9194fca27fe943d18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:28.468687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093174/publication.md
observed 3c1cc12f49ca44b7fa5d4db9922599fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:28.451596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093174/publication.txt
observed 5591f1472768157e06059075115a2e4c...
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.