OpenTechnical

OT-2026-000091487

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000091487) never changes.

Identity and time

Publication numberOT-2026-000091487 · never reused
Internal UUID01a0ae9c-f16d-7774-9516-3e5e0e41a69b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091487
StatusPUBLIC

Content hashes

Canonical texte0de312bc10befcf06055619fe6f9112c92e170f1c256f6214580ec738b02be0
Markdown21a4898deee9acf5df0ac89991423d0a8dc1e0faf7ff9945a6b0707c3d9229a9
PDF
Publication page094862750156ff20dad05b28c760c21109c8875f276823728e475b4a6b385117
Manifestab24b51557b0342a9c658fc4a3405d31910bcd6331a4145203bf115d4e84bb6e

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
SignatureJmZGFHaOr2EfQcjIYgLtM2rAw/h7VH7x+kkocZ3EsUoBuzAXrfjbK4M88YZY7acWek/yflhEOXVIYU2kOk6EBw==
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

2026-09-17T09:43:44.498280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091487
observed 094862750156ff20dad05b28c760c211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:44.481502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091487/manifest.json
observed ab24b51557b0342a9c658fc4a3405d31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:44.465932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091487/publication.md
observed 21a4898deee9acf5df0ac89991423d0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:44.449666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091487/publication.txt
observed e0de312bc10befcf06055619fe6f9112...
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.