OpenTechnical

OT-2026-000039682

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000039682) never changes.

Identity and time

Publication numberOT-2026-000039682 · never reused
Internal UUID01a0ae78-d8d4-713b-9d94-0c504067652e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039682
StatusPUBLIC

Content hashes

Canonical textac14ea410ce721ac15ab683df0b7f6f960f71986281ad8043b5e4f7dc64bed85
Markdownf8bb5c7e29ff23f807b058cbb5e3225a4fa168fc8528d92227f3a686fc5f87f7
PDF
Publication page6312754afa1f7bc852b7b8e9d0639bd55ba88e99f1c3d076c42e359f18f1de66
Manifest3fe6fcd230b32f2add6081b8e8132df36b84cd3c3ed9edd423693965e78ca4ec

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
SignaturekoyquMF8fFFlNKz5TBUYTOzNQw/30mnYhEg6aJbj+mozkpzb0GQngRJIISPM2/jqH1y+/GhT5dvE6MJnbpWEAg==
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

2026-09-17T11:19:52.233166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039682
observed 6312754afa1f7bc852b7b8e9d0639bd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:52.215880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039682/manifest.json
observed 3fe6fcd230b32f2add6081b8e8132df3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:52.197162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039682/publication.md
observed f8bb5c7e29ff23f807b058cbb5e3225a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:52.178578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039682/publication.txt
observed ac14ea410ce721ac15ab683df0b7f6f9...
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.