OpenTechnical

OT-2026-000078519

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000078519) never changes.

Identity and time

Publication numberOT-2026-000078519 · never reused
Internal UUID01a0ae95-7c29-752f-8b27-b53579990826 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078519
StatusPUBLIC

Content hashes

Canonical textc6f97813128575f42cbf86a4e0f06cd3fa8f22d3d5cf1c5c05757e7df0a222c5
Markdown9a3027d4e35fa4013599b0b463469f7b19edbe37dae7637528b939f02ac136d4
PDF
Publication page4bcc149dfe0a773065ddeb8bde0e44eeae42db51381e62381c5e4d841af7c3fd
Manifest2391757f71bf9e4924288a529e4fbc762dafcc931728f0d2189ea26197ba3770

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
SignatureMNK/wGgNSJ2dfm4k5KiefNP/hPJN7v9hMjSXdV7boOR50nwnJOtNcUoXGHCR74pnZUQa9kEBJt+QFeaMmeybCQ==
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

2026-09-17T10:06:32.147839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078519
observed 4bcc149dfe0a773065ddeb8bde0e44ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:32.129774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078519/manifest.json
observed 2391757f71bf9e4924288a529e4fbc76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:32.111250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078519/publication.md
observed 9a3027d4e35fa4013599b0b463469f7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:32.092563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078519/publication.txt
observed c6f97813128575f42cbf86a4e0f06cd3...
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.