OpenTechnical

OT-2026-000087213

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, sustained blow-off before 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-2026-000087213) never changes.

Identity and time

Publication numberOT-2026-000087213 · never reused
Internal UUID01a0ae9a-9f2e-71af-8659-5232b5097623 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087213
StatusPUBLIC

Content hashes

Canonical textf74469c2ae6761328df7ccebf4a87376f7727ac23f14798eb4aebab9e4feacc9
Markdown53baad2e8c76fdd5130c16acb1afe9f321781751e4e16ed134a160135ac64a1c
PDF
Publication page4a8d698a2c343b3c6dd62cf85cd5fe27a6efb3c2c0902d8f719a2c55bf4f04f9
Manifestd8f1671f42e02c77359aaae08594195f0493b0247b30fd3946fdb39fc299b132

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
SignaturemheNjB+2iU6BDo0WWZt2oIE/lAaCXKWEb5HDT5lHLPEoN4Y3tfqJoTJ3FrIBbr84eR+nGnI/xVz14LxgaK9iCw==
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

2026-09-17T09:51:29.610713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087213
observed 4a8d698a2c343b3c6dd62cf85cd5fe27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:29.594728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087213/manifest.json
observed d8f1671f42e02c77359aaae08594195f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:29.575931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087213/publication.md
observed 53baad2e8c76fdd5130c16acb1afe9f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:29.558954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087213/publication.txt
observed f74469c2ae6761328df7ccebf4a87376...
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.