OpenTechnical

OT-2026-000072682

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000072682) never changes.

Identity and time

Publication numberOT-2026-000072682 · never reused
Internal UUID01a0ae92-89d9-727d-b03c-c06cd86ff071 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072682
StatusPUBLIC

Content hashes

Canonical textc5493ff681625ac542a20f11efd98ff54737ce4c90eca5b3b8dc040112484c62
Markdownc81affecf370bc46c71517e4d6da4069b931e4f4766886ec97d3cba6d2e7e194
PDF
Publication page900165b2b72df25469311c1f12481dec9819b3a9b740c6735f4fa90c4afbad3e
Manifest01492e309fd30f8b818136206df6cf4065e8c3000e0f3e1ad866c605cf7217c6

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
SignatureGeJHH1up7pYwvbqAi3SCLngOYTnRsQj0CGMFzBzLHWf63hI4enVI0xi9qinzrJd69ymPAZYPhUHRKG/jftOXDw==
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

2026-09-17T10:22:33.115951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072682
observed 900165b2b72df25469311c1f12481dec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:33.098011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072682/manifest.json
observed 01492e309fd30f8b818136206df6cf40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:33.079568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072682/publication.md
observed c81affecf370bc46c71517e4d6da4069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:33.061795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072682/publication.txt
observed c5493ff681625ac542a20f11efd98ff5...
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.