OpenTechnical

OT-2026-000092220

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000092220) never changes.

Identity and time

Publication numberOT-2026-000092220 · never reused
Internal UUID01a0ae9d-875a-72ed-9f66-3b7e820a59ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092220
StatusPUBLIC

Content hashes

Canonical textac64667f2362f636180399e15f041bea41bcd04ebc96bd62504952c0404049cf
Markdown6d69fee114cf31606b08162a3db0b56bd9478641da9f8d69c56b0b4193a86a47
PDF
Publication page5258847494849c789b84d9b0e29f75d16553186bde1f43b3dd750f3be09f0cac
Manifestc2664f2f409acb3f6bcf1f8063db65fcf45921d97c9ce5993c58aa4b2a75ef47

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
Signature8sydfpqdtBHlYxGkr1tnUOVkLg7VW2KpWhEyn5CFN+IUin2Ts5mGPBUZBppPfHf/ZO2SX3KR63cV0xZbGBS0AQ==
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

2026-09-17T09:41:43.989576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092220
observed 5258847494849c789b84d9b0e29f75d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:43.971035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092220/manifest.json
observed c2664f2f409acb3f6bcf1f8063db65fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:43.952927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092220/publication.md
observed 6d69fee114cf31606b08162a3db0b56b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:43.933319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092220/publication.txt
observed ac64667f2362f636180399e15f041bea...
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.