OpenTechnical

OT-2026-000091879

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000091879) never changes.

Identity and time

Publication numberOT-2026-000091879 · never reused
Internal UUID01a0ae9d-43ba-77ec-8f9d-e62bfb783136 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091879
StatusPUBLIC

Content hashes

Canonical text7997e71cdd16706c50e5f06c7e025d62478d1806c5d104257898f037134d79db
Markdownbde0ea7b022ccf8421a18034d555f9201744f107694f1c464743a2bb7f66ac89
PDF
Publication pageef52a10927c7a617281ca0c8f5952a99ec848d99c646a22fee34c9ab107514a6
Manifestd51303fc920724fa668b397d17c42dbd88c6db0b1bc802d926b0069538b28979

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
Signatureg4zOtrnWTZpJgtGyZCgDCcGzmmWiUcIbH9MN4SGhMsK83cnjGAkLQno/k7lyppVta2y1QLtc79fZVmgwMNBRBA==
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

2026-09-17T09:42:48.431450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091879
observed ef52a10927c7a617281ca0c8f5952a99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:48.412389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091879/manifest.json
observed d51303fc920724fa668b397d17c42dbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:48.395728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091879/publication.md
observed bde0ea7b022ccf8421a18034d555f920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:48.376843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091879/publication.txt
observed 7997e71cdd16706c50e5f06c7e025d62...
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.