OpenTechnical

OT-2026-000087097

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000087097) never changes.

Identity and time

Publication numberOT-2026-000087097 · never reused
Internal UUID01a0ae9a-9f2d-7e09-abb1-7dd738583c5f · 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-2026-000087097
StatusPUBLIC

Content hashes

Canonical textf7e1705da32f64aab48c50a454c4bc9dae223d1e491d87df35d76144bf4608db
Markdown1f4ac979571b0cec4f5deaad40682ffe46b80fe71d835ef2b8382b0ded0491e1
PDF
Publication page05d0d14d3d09a4ef140a6b50237ca377e15a7fdd4c74ebb17477b2b18b88bde4
Manifest1246a5f1342fe70f2746a75e40844515ad5462702338d7140cd601a857c26516

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
SignaturemYiJn8fQ+AuaIiNeTedTqjrHKeIKWjwrnSGRF7zaHj9zJtEg3xPBKNic4/s+A/r8nZOmpWbkJzEW1cnVg9GRAw==
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

2026-09-17T09:51:21.417946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087097
observed 05d0d14d3d09a4ef140a6b50237ca377...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:21.402759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087097/manifest.json
observed 1246a5f1342fe70f2746a75e40844515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:21.387936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087097/publication.md
observed 1f4ac979571b0cec4f5deaad40682ffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:21.373299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087097/publication.txt
observed f7e1705da32f64aab48c50a454c4bc9d...
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.