OpenTechnical

OT-2026-000048166

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000048166) never changes.

Identity and time

Publication numberOT-2026-000048166 · never reused
Internal UUID01a0ae80-4de2-71b8-b74b-e22f810a7528 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048166
StatusPUBLIC

Content hashes

Canonical text3112ebea3f1a3db02709c3f255d0c84fafe06fb7f4ba3e843365c31fa897c96c
Markdownb297bfc1c5bf51d7a920f2da030ccf130f46c8de0a049380c82ff69249d850a9
PDF
Publication pageb3f9491415e2f5f6f8c2f0985ed97f60e85eda7224206e0b493a9b7e32f02b44
Manifest05747f02afc287565279d373cd1b0f50173a82ee58b16114bed6ce2fe5db83a2

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
SignatureLchGqT8uPlSAPRChjf786uKp3JcnVp+skaFiV26HF8AiZmF412hkjudleToBn2GyLxSRRPHdZTQEbQri8HRrDQ==
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

2026-09-17T11:04:41.934200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048166
observed b3f9491415e2f5f6f8c2f0985ed97f60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:41.915225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048166/manifest.json
observed 05747f02afc287565279d373cd1b0f50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:41.894811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048166/publication.md
observed b297bfc1c5bf51d7a920f2da030ccf13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:41.874940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048166/publication.txt
observed 3112ebea3f1a3db02709c3f255d0c84f...
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.