OpenTechnical

OT-2026-000040629

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, sustained 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-2026-000040629) never changes.

Identity and time

Publication numberOT-2026-000040629 · never reused
Internal UUID01a0ae79-6d0e-7215-b09a-6992b4ae80cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040629
StatusPUBLIC

Content hashes

Canonical text4dbc3c67581d83446457c492719ddda294fad491633f0efab16cd1f7a8756032
Markdown93d14e03906e358ce818e639501dc7928dd37a02c24b89a9e25b3af617a783f5
PDF
Publication page9fb31c290c847ffaa1fdae962ddea626bc5e80936f3f736c641e7fc154812334
Manifest7c2659ff1f458d58a0886a4fe5a9d322f78a5465becd5e09b0563368f9d35b6f

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
Signature76dwgaN6rdKEY36+3VvLi4q/VIenhu5DZIDm0mWYdOFcZcN/NADRMA/Bl22L87JqMsjlWeQrxPCN+RaHtF1KDw==
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

2026-09-17T11:17:48.584834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040629
observed 9fb31c290c847ffaa1fdae962ddea626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:48.561830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040629/manifest.json
observed 7c2659ff1f458d58a0886a4fe5a9d322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:48.544654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040629/publication.md
observed 93d14e03906e358ce818e639501dc792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:48.526270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040629/publication.txt
observed 4dbc3c67581d83446457c492719ddda2...
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.