OpenTechnical

OT-2026-000091422

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two 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-2026-000091422) never changes.

Identity and time

Publication numberOT-2026-000091422 · never reused
Internal UUID01a0ae9c-f16d-7f56-af75-9ee72c940434 · 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-2026-000091422
StatusPUBLIC

Content hashes

Canonical textcd13154be66256c853f913ec7d9b9c109878ed5ab73a8e41e93a4be17ed92922
Markdowncc113d4e984ef117257430ca00abbc3cef5fb83f7abf90b3fd88737a200dcb34
PDF
Publication paged25b4821da7125430e0c0cacde901588f530faf1667d5223c20589a18997b7df
Manifest1cf18d6d3eb02aa2352052f708b282a94ccd54c1b0432ffe1aa0a3ed5efb8fd2

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
SignaturekSome4+bzSyGDKeS/kgsb1X1344e8u5jFhfxG5QgtQHuj7gZxjfP4cbYJN10oSDFe8FoGTikJbYn85jOcC5iBA==
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

2026-09-17T09:43:39.556308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091422
observed d25b4821da7125430e0c0cacde901588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.538164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091422/manifest.json
observed 1cf18d6d3eb02aa2352052f708b282a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.519340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091422/publication.md
observed cc113d4e984ef117257430ca00abbc3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.501016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091422/publication.txt
observed cd13154be66256c853f913ec7d9b9c10...
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.