OpenTechnical

OT-2026-000023587

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, pulsed blow-off before set-down

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-2026-000023587) never changes.

Identity and time

Publication numberOT-2026-000023587 · never reused
Internal UUID01a0ae70-7269-7368-b3de-d3753233c99b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023587
StatusPUBLIC

Content hashes

Canonical text6122f1528fc29783f7b287b85f15772e2fd9e02a9a8bc3de4eff7b6282d73fd6
Markdown8cf215bbdd7601503718079197030b3ddccb11df9ed3a43e846527152245177c
PDF
Publication pagee4a67866d75cb1c16cab4c269ab73ce43f9a29c4cf70401122ab1a563c63924e
Manifestce5b700168a6f06112a31656993f2f3518279abb465f8a9a9c749a98ddced621

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
SignaturegPs2J6rySIU3sNOXgkFru9Y7cQ2Qv+RC9Q87i9GRlamrx4e42Ew0xxPYEmxwsgslI0qdu+J+INPvxRZFp6nnBw==
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

2026-09-17T11:51:56.708487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023587
observed e4a67866d75cb1c16cab4c269ab73ce4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:56.690507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023587/manifest.json
observed ce5b700168a6f06112a31656993f2f35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:56.673086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023587/publication.md
observed 8cf215bbdd7601503718079197030b3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:56.655262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023587/publication.txt
observed 6122f1528fc29783f7b287b85f15772e...
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.