OpenTechnical

OT-2026-000072965

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000072965) never changes.

Identity and time

Publication numberOT-2026-000072965 · never reused
Internal UUID01a0ae92-c815-7152-ba22-925a56f66acc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072965
StatusPUBLIC

Content hashes

Canonical text75d8ce801434f778d08d205d18df9ff2801a037e92109218dd48d5c9fbb343bf
Markdownc8726cf9c1ac80ef1cbc909ff0932779bb0b017026d487aadd7490cf9170928b
PDF
Publication page5e6bc45b4b26e029aed15e854fa1e53b49d870fd1de240b64a79a7ebfe05d00d
Manifestd465d1abea11af5bc82017310ea92dcfc4e3614da3ccf17a7d54f8aca8b3b721

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
Signature1FOg+gh81VLHIDlh4qbAtWkiXbSExxZM6+gFeACCXAod5L9jHldB1vqgUUJ4qhwfpQ1kyXjLXEWVBAN/vDogDg==
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

2026-09-17T10:21:53.435163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072965
observed 5e6bc45b4b26e029aed15e854fa1e53b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:53.418304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072965/manifest.json
observed d465d1abea11af5bc82017310ea92dcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:53.400922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072965/publication.md
observed c8726cf9c1ac80ef1cbc909ff0932779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:53.382157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072965/publication.txt
observed 75d8ce801434f778d08d205d18df9ff2...
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.