OpenTechnical

OT-2026-000032621

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000032621) never changes.

Identity and time

Publication numberOT-2026-000032621 · never reused
Internal UUID01a0ae75-1070-79d7-83f0-006e4f37b791 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032621
StatusPUBLIC

Content hashes

Canonical textc1e75054c66eddd07cba7b1782b4bd4e67226dd4eac49c48a447cc1db91c2d18
Markdown17d6410cb6756aac97f4224f3f840e968a89640eacd35e0e6b56db97f7991036
PDF
Publication pagecd9c2aa703085d1a1a9dfc8863807134f9934d94464b969f7490374602af08eb
Manifest34f3dd57a1a1aad62a651b0780e7a8b4233329a802a75f8c2a3aa08191a464dd

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
SignatureLNhxRbyaSBSwFWg/GcNtLWwzNQwrE8sOMGd+pv7UaBTfV97LdwGqEZFTAHWU598djecwr4lgBOAAI2f1BdiAAg==
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

2026-09-17T11:34:12.460766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032621
observed cd9c2aa703085d1a1a9dfc8863807134...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:12.443716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032621/manifest.json
observed 34f3dd57a1a1aad62a651b0780e7a8b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:12.427709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032621/publication.md
observed 17d6410cb6756aac97f4224f3f840e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:12.411215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032621/publication.txt
observed c1e75054c66eddd07cba7b1782b4bd4e...
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.