OpenTechnical

OT-2026-000075067

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000075067) never changes.

Identity and time

Publication numberOT-2026-000075067 · never reused
Internal UUID01a0ae93-ac2e-7438-bad4-9f938a201f53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075067
StatusPUBLIC

Content hashes

Canonical textcf2e690da1447e8148343cdaf15badb65a85af89af93751008881bb3638e8e28
Markdownfc07065b3439543f8059efb1f3e1ee55a62493b398d0e66df86aefc9d98965d3
PDF
Publication page5ba644748065bc3af78fbe38eecba7401efc343f4eaf7c62783c3c7b591460c6
Manifest794adbc5dd3a0edc94ef1376ca291a4b5877ae92a83ca574a6f7630c1c6d60fa

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
SignatureVVX6UsavcPaEeD/f0DT52sD+Ii7H1vOlNcbZbFXxGQl59wlfO8zA9syAahJSqs1/OPD4RCqqUFyJV/UjZNviDQ==
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

2026-09-17T10:18:53.182021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075067
observed 5ba644748065bc3af78fbe38eecba740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:53.164584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075067/manifest.json
observed 794adbc5dd3a0edc94ef1376ca291a4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:53.146930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075067/publication.md
observed fc07065b3439543f8059efb1f3e1ee55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:53.129722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075067/publication.txt
observed cf2e690da1447e8148343cdaf15badb6...
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.