OpenTechnical

OT-2026-000013798

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, pulsed 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-2026-000013798) never changes.

Identity and time

Publication numberOT-2026-000013798 · never reused
Internal UUID01a0ae6d-8de9-7763-870d-484172a400cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013798
StatusPUBLIC

Content hashes

Canonical texte7ed57d77eb0d157179e56986627e7c39fc076c4ae1dda5aeb7cd71541e84e44
Markdownd8be753a31284635ab160f2adfabdbb645dbbd6e096ab4ea362f2d3f8c9048bd
PDF
Publication page05520a4e0fde1d6afd81067e15cc34975c7f8268a20d97f56b4dfe86769453b8
Manifest0b314e32b3d80bf43773e039e4c0e77077a3360c01ff0d72cc66e689d9d6bf1a

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
SignaturebrghaiJ+MkoxBDTLgV6Tv6HOfvQTmHhj8fSh1AjaiXW/B15TT4owmrq9juH4vXqHRuhRCxp6PLKk+kmskvmtCA==
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

2026-09-17T12:08:53.327757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013798
observed 05520a4e0fde1d6afd81067e15cc3497...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:53.308635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013798/manifest.json
observed 0b314e32b3d80bf43773e039e4c0e770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:53.290500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013798/publication.md
observed d8be753a31284635ab160f2adfabdbb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:53.273296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013798/publication.txt
observed e7ed57d77eb0d157179e56986627e7c3...
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.