OpenTechnical

OT-2026-000063208

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000063208) never changes.

Identity and time

Publication numberOT-2026-000063208 · never reused
Internal UUID01a0ae8c-94ab-7b68-afca-b114d772da9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063208
StatusPUBLIC

Content hashes

Canonical text87a26590c44118ae58fa49ad6f818472aa546fcf1676f7bc6d3b2d97d56614ef
Markdown5c511f4bd8e5c0d34d59afab3ba53c66059c6783f78db2a9895ad3ba068ce6e4
PDF
Publication page653affa95139c076cf9f42437fc95d5dd6f8c03a04348c8410f7d9bdda3fde0d
Manifest79e0466616103df4c4652230c7281affcbd927d95895a6231b1c8c3e988bb669

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
SignaturejhfQml3EVmMrDUgK7sBfFgHe9YlzJhfYhQNXYgDVEBeDCNVLgULVBRuytCY/WbhWnnv6s7kzmw3WLLJiD5O2Bw==
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

2026-09-17T10:39:04.913942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063208
observed 653affa95139c076cf9f42437fc95d5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:04.896159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063208/manifest.json
observed 79e0466616103df4c4652230c7281aff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:04.878710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063208/publication.md
observed 5c511f4bd8e5c0d34d59afab3ba53c66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:04.854523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063208/publication.txt
observed 87a26590c44118ae58fa49ad6f818472...
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.