OpenTechnical

OT-2026-000078654

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented after 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-2026-000078654) never changes.

Identity and time

Publication numberOT-2026-000078654 · never reused
Internal UUID01a0ae95-7c2a-724a-b1a5-981e3e1e77f5 · 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-2026-000078654
StatusPUBLIC

Content hashes

Canonical text9414e7d2f74a67b0e79d7c83f4b7667ee81df25e2871879438eef999199a429f
Markdown0ea54adab0afe26d5b7ed083540dfe0272becebf57133f488d3aa66cb9cd8154
PDF
Publication page085cb3c59355ac5ed3632557b4c4b75758a7765f03966e1d3eec093b79ef25c1
Manifesta38583141ec74f27427b048f382778a96c95d0c189b25c55b9c001e9980e60d8

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
SignatureN0Bhf+u0H/GRNkKJuTOLn3RMDU3KFcTmv4ia/6v8cn7I6LgOmXkYt17DPkLizHq05E4eorXqeHCmS6oV92cyCg==
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

2026-09-17T10:06:42.103266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078654
observed 085cb3c59355ac5ed3632557b4c4b757...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:42.085624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078654/manifest.json
observed a38583141ec74f27427b048f382778a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:42.066421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078654/publication.md
observed 0ea54adab0afe26d5b7ed083540dfe02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:42.046450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078654/publication.txt
observed 9414e7d2f74a67b0e79d7c83f4b7667e...
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.