OpenTechnical

OT-2026-000011565

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000011565) never changes.

Identity and time

Publication numberOT-2026-000011565 · never reused
Internal UUID01a0ae6c-8900-7dcc-b7fb-fe2962a077b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011565
StatusPUBLIC

Content hashes

Canonical text8a4d72909f41f2f5137e4844e81918c56f4fa8c4c1811dcb3153111d92a298dc
Markdownfa7561361037860c46e809b810556ea81767a71e43c8137cf3ee3f18391531b9
PDF
Publication page3ec9b33965c8db87473eb4171e40f7860170c9fd6b0f83271a6232556613179d
Manifest7d17694675ab58557488a8bb65c0a21441d3a6ffcfffa2054a06818047d70903

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
SignatureNgg07XW4cEeEQyloQRqyAwNHDiBUfQ6RZrgk5iOKhkPh0n4kd3dLZX1xHZA0U3DfBMsRnT0TVX2u14xUdKq6BA==
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

2026-09-17T12:13:27.798209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011565
observed 3ec9b33965c8db87473eb4171e40f786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:27.778688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011565/manifest.json
observed 7d17694675ab58557488a8bb65c0a214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:27.760309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011565/publication.md
observed fa7561361037860c46e809b810556ea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:27.741463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011565/publication.txt
observed 8a4d72909f41f2f5137e4844e81918c5...
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.