OpenTechnical

OT-2026-000063689

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000063689) never changes.

Identity and time

Publication numberOT-2026-000063689 · never reused
Internal UUID01a0ae8c-f946-786a-8e9f-8acb7f076602 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063689
StatusPUBLIC

Content hashes

Canonical text51ffa6897e5aefaf215afc5ca9ea714f1e6b0dc060a1e5e36d7fa419b3fa9ed3
Markdownd5fc216f4c3ecad8ad385deb65650bcc30d200e704001b139ab09aa794c113ac
PDF
Publication pagec00b58e370f3b150c73ddfeb5355bfd648bcbd843c6f2ed3ffb01d9ece5a7ab3
Manifest5849fcdb9fa441083af70936c657d207ef93a97c5d211daf88424a6382911ded

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
SignaturedesuuYIucRF7xSj40eyvliOgo583b7JuODpm1XGul+cXejRZBSBsSkT0kG3CC0qFeAziXWggbRit4jJFkNikAA==
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

2026-09-17T10:37:48.463801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063689
observed c00b58e370f3b150c73ddfeb5355bfd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:48.445305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063689/manifest.json
observed 5849fcdb9fa441083af70936c657d207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:48.427037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063689/publication.md
observed d5fc216f4c3ecad8ad385deb65650bcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:48.409319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063689/publication.txt
observed 51ffa6897e5aefaf215afc5ca9ea714f...
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.