OpenTechnical

OT-2026-000033923

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000033923) never changes.

Identity and time

Publication numberOT-2026-000033923 · never reused
Internal UUID01a0ae75-a392-7aee-b25e-176b6990b9c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033923
StatusPUBLIC

Content hashes

Canonical textde319d8667f604e68e442d6472fc7d242443878039c33c027f159c0230d1728f
Markdownd36810b71d6b0dad86d5c4788c8fb9c30328106e6082b7ec13ca71912113dfdb
PDF
Publication page23d9755fc5603f723c7ef203665c1c048fc074d2124a42bd9ae491cf99f86117
Manifestb5ba71b4e6db5664413b3ce43761670fd33c23622ec6789078df1b0b9b6dbbe0

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
SignatureC85uXgdxqS17poVwemgJUtrSJk41s3v1farICkqVYAtFZrGI7C5qX676OoAwdM3+YadftfS9ubMCcoFD5lycAw==
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

2026-09-17T11:32:00.414522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033923
observed 23d9755fc5603f723c7ef203665c1c04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:00.396644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033923/manifest.json
observed b5ba71b4e6db5664413b3ce43761670f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:00.376779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033923/publication.md
observed d36810b71d6b0dad86d5c4788c8fb9c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:00.360539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033923/publication.txt
observed de319d8667f604e68e442d6472fc7d24...
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.