OpenTechnical

OT-2026-000056368

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000056368) never changes.

Identity and time

Publication numberOT-2026-000056368 · never reused
Internal UUID01a0ae87-4bd2-7cfe-827e-a9a259d5a05b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056368
StatusPUBLIC

Content hashes

Canonical text3411f6206559e877da908aec41d665c2865177a5df2dec540b041eb0049acb3e
Markdown107055680dd838e649657d388a1441311ae97ebe24dfd386fa1bdc9d05bbdf91
PDF
Publication page7ae2517bb1017078379c0f919da9f36f1b42dccb2fc317a12a3eb57db05b1d2f
Manifest5ebb815536dd80aef3426a133e1d47d175829e4d5a1b12ba10f7d21b8e63f17e

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
SignatureKXyP5PkppNecl/vVT9zMo039DQLSYSE5rIaI4JC8FUVoCc8T9baGdgDl78p4b9vSHy8FRp19KZsfu/ai59cHDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:53.085433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056368
observed 7ae2517bb1017078379c0f919da9f36f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:53.067029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056368/manifest.json
observed 5ebb815536dd80aef3426a133e1d47d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:53.048289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056368/publication.md
observed 107055680dd838e649657d388a144131...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:53.029460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056368/publication.txt
observed 3411f6206559e877da908aec41d665c2...
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.