OpenTechnical

OT-2026-000043039

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold 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-2026-000043039) never changes.

Identity and time

Publication numberOT-2026-000043039 · never reused
Internal UUID01a0ae7b-3278-7463-b729-a357002f8b8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043039
StatusPUBLIC

Content hashes

Canonical texte124efcb605db754c7a75192c97d96d6e47ec3edeb5e72ccf92bec2becfa8b3e
Markdownfd3d5ec2a0dfbdefa58f210dfe17e45784833570bd8e2a99c4010685685e8ca7
PDF
Publication pagef881b8e80446a12bf8acdd7fb76fe50915aa4f2d4b73a8892da935697689e020
Manifest0ebd04d18d38bb0c4055a75f600f058860001ce650ee05ba4bf2f5cc50bdae92

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
Signature4aM9q8iYD7IZ8CaNGIpENwDX+xow8DTJqOoNAaqRaro+BoA7xKdKn9+D9PiI8cl8A7unCddh50QKq1iKHkFDBA==
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

2026-09-17T11:13:26.483352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043039
observed f881b8e80446a12bf8acdd7fb76fe509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:26.464397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043039/manifest.json
observed 0ebd04d18d38bb0c4055a75f600f0588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:26.413828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043039/publication.md
observed fd3d5ec2a0dfbdefa58f210dfe17e457...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:26.365595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043039/publication.txt
observed e124efcb605db754c7a75192c97d96d6...
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.