OpenTechnical

OT-2026-000091866

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000091866) never changes.

Identity and time

Publication numberOT-2026-000091866 · never reused
Internal UUID01a0ae9d-43ba-7685-80c7-0f39e2a8f414 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091866
StatusPUBLIC

Content hashes

Canonical text747b8377646b7fcd0b7589ab3e3d33c73e2955d5195f325f438209fe4d8316b9
Markdown6c4bfff901f92e2924e574f09cb12f6e14045195c69b23404d48019a5765e9a3
PDF
Publication page88769a99dd6d46860be3cc98be6770db78ee90c5d653ac1519521d83421d7ad5
Manifesta5f7452e64ec6095d3a42f3a0476596c47a9e90b5ec29c81669c42c12a5665fe

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
Signaturem/W9c2aIwMHmR8KAXDQgn5zG77CIdVdRJRh+o3y3sNwjRH6sov63lx6e2rFNhLKIC7tcBrlmv5De02H7xICCAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:42:47.462443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091866
observed 88769a99dd6d46860be3cc98be6770db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:47.444912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091866/manifest.json
observed a5f7452e64ec6095d3a42f3a0476596c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:47.428066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091866/publication.md
observed 6c4bfff901f92e2924e574f09cb12f6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:47.411045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091866/publication.txt
observed 747b8377646b7fcd0b7589ab3e3d33c7...
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.