OpenTechnical

OT-2026-000019758

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000019758) never changes.

Identity and time

Publication numberOT-2026-000019758 · never reused
Internal UUID01a0ae6f-1fb4-755d-9773-0b1b1adcdeb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019758
StatusPUBLIC

Content hashes

Canonical text0fe88a3058e97e58566f9deef25ced09ccba9f0ce30fbd5058f759a41a34c3ea
Markdownbced19744e731277f7a9ed420108a7b43a098e54b500b494aae41be7fe14099d
PDF
Publication page44ab2fefb4d954e1053ef1bef8a4ed966653fd5551e101ca92fbc7a750fa83e7
Manifest45667942250cc760cc2534989db21ea0aee915f0567e682d90defdf67abca1a5

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
SignaturendSP73r7Z4PDzrUkOzc3snyMw8RtDEJVY9X4fnbXiWzkGgQxJhd4SPAHXJzIyiOoG4MUatr20XDQQg6png+wCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:57:51.414306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019758
observed 44ab2fefb4d954e1053ef1bef8a4ed96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:51.395636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019758/manifest.json
observed 45667942250cc760cc2534989db21ea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:51.375848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019758/publication.md
observed bced19744e731277f7a9ed420108a7b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:51.356180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019758/publication.txt
observed 0fe88a3058e97e58566f9deef25ced09...
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.