OpenTechnical

OT-2026-000034305

Publication integrity record

Single cup vacuum gripper, common isolation valve, two 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-2026-000034305) never changes.

Identity and time

Publication numberOT-2026-000034305 · never reused
Internal UUID01a0ae75-df0e-76eb-8786-cc199408cdee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034305
StatusPUBLIC

Content hashes

Canonical texte7b85c9cce5443f1ed04b4e8d24e2c14699f727247055afdc33562665d504ccf
Markdown07015057e70165d7048f64ee6cdd3f6fc2d5378b34852c1e6228cef6563d872e
PDF
Publication page8778250696cf74adf0f7b4f54b1f68cc4053995d65510fe55ed43090763e6601
Manifest3c9794e5e61c2c13dc6343f3884ef9ff3476b08805728b39e72f2437735ebc51

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
SignatureoAPWZAWtroFQCHxzLKAsLxJvg8Jlwk89sxyWk2NoZW2Y2jV60dtPZ2Wf7NIkfdZbYZIg5U9kqsSbgFQaIgqfBQ==
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

2026-09-17T11:30:59.774560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034305
observed 8778250696cf74adf0f7b4f54b1f68cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:59.757516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034305/manifest.json
observed 3c9794e5e61c2c13dc6343f3884ef9ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:59.740393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034305/publication.md
observed 07015057e70165d7048f64ee6cdd3f6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:59.719812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034305/publication.txt
observed e7b85c9cce5443f1ed04b4e8d24e2c14...
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.