OpenTechnical

OT-2026-000092012

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000092012) never changes.

Identity and time

Publication numberOT-2026-000092012 · never reused
Internal UUID01a0ae9d-43bc-742f-bc25-df4257ad48f9 · 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-2026-000092012
StatusPUBLIC

Content hashes

Canonical textf4d998f8ddd2294f1bb44022c8e939531d3e5fd9babb88e1ea7cd002c514c9ee
Markdown66d15421bb8fcead4c3131f9e5b6237932d75ed403448f26b2f95df491e4ea14
PDF
Publication page2b0af5c0b9a5a32324b55696011ee5058ded9f2b65f531ee31fdf8443cc696d9
Manifest5cb3da2461c7a103a96ca495ca9fc550379bcf1e58ee10692847d71b52ff9630

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
SignaturenTnmZM7fKhSLDeXhOQllW+JzZV6WVFZj/Td5xdXKWxDxX4R0ewUzNiFurJvJ67cIFrolscGpOaD2Xl1OJQc3Dg==
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

2026-09-17T09:43:05.422189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092012
observed 2b0af5c0b9a5a32324b55696011ee505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:05.398709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092012/manifest.json
observed 5cb3da2461c7a103a96ca495ca9fc550...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:05.374030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092012/publication.md
observed 66d15421bb8fcead4c3131f9e5b62379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:05.350659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092012/publication.txt
observed f4d998f8ddd2294f1bb44022c8e93953...
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.