OpenTechnical

OT-2026-000045372

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000045372) never changes.

Identity and time

Publication numberOT-2026-000045372 · never reused
Internal UUID01a0ae7c-f76b-7985-ae16-0f646702cf9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045372
StatusPUBLIC

Content hashes

Canonical text1591fe6745306bedaa38e0448a6f2843ec853e41c2fc2094da881a670ad53cc1
Markdown82aa043519763274f321c1ca040cf85d669259a9454bf4fc1b7128db84e7f3e6
PDF
Publication pageb9a1d7644cf5803b63e18386ac2a5aba2d2c497295827f70ff683942da01d064
Manifeste516b83c32ff3e7ac2db5fa31a4c104eced526b1ac922d5c9f2ff6afc7a8ada1

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
SignaturekYkb2zgpWWe6j4qazZ59yVwCxeBEriV/fedvXlit0HyB/jYNYM+4F1MQc+ec8+f7LTrSoSlXrtaGdZbMVOV1Bw==
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

2026-09-17T11:10:38.927477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045372
observed b9a1d7644cf5803b63e18386ac2a5aba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:38.910354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045372/manifest.json
observed e516b83c32ff3e7ac2db5fa31a4c104e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:38.891234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045372/publication.md
observed 82aa043519763274f321c1ca040cf85d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:38.872362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045372/publication.txt
observed 1591fe6745306bedaa38e0448a6f2843...
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.