OpenTechnical

OT-2026-000047865

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000047865) never changes.

Identity and time

Publication numberOT-2026-000047865 · never reused
Internal UUID01a0ae7f-c421-7ed7-aade-6cce5c41d148 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047865
StatusPUBLIC

Content hashes

Canonical text44c911bd3e8b728172ca75197d9dcd028017e067809186686f757352b1cee241
Markdowna7a2575bad31be21acd04ecbebc04f7de1d22d9d60ed62d0ac9a47d31f00bce0
PDF
Publication pageffd0a67d7f1a0dea4fc4ccf4cf562499922d2d64a8e14566490d75abd874338b
Manifest192dcfd22a9326d72c393660e43fdffeeb22938623040efccb67215aca01ae51

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
SignaturevP2MLTfax4bBUJpJz1bVlrMlZ+I5ehTM1AFDZ78eyCcPrPQJRG56gsE1jPuWwo6sfWnt5dNJa+iDc+vTv5ITBA==
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

2026-09-17T11:05:47.441073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047865
observed ffd0a67d7f1a0dea4fc4ccf4cf562499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:47.421499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047865/manifest.json
observed 192dcfd22a9326d72c393660e43fdffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:47.404452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047865/publication.md
observed a7a2575bad31be21acd04ecbebc04f7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:47.386917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047865/publication.txt
observed 44c911bd3e8b728172ca75197d9dcd02...
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.