OpenTechnical

OT-2026-000046081

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000046081) never changes.

Identity and time

Publication numberOT-2026-000046081 · never reused
Internal UUID01a0ae7e-032b-7b03-a46b-c7380fe97a42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046081
StatusPUBLIC

Content hashes

Canonical textc01d91a4a299f3da176f84e7a1abd863e47828bf246bd97131ba5ba0416972ec
Markdownf3edb3ff65ac80f36af42039a67de8c77f501408c20a62dbe0c9e43bab55450e
PDF
Publication page1307346f3bf072120281533d6f5772788303b6d98066b28e8a1346cb8574acfc
Manifest5a9e5c814f64c3ac919b50e8df55b91c24f3debf8aea4fc1514f6ff6deeb084e

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
Signaturewmuf1HOIGcGA5W/2QzfCb0FNRB6LsI5Xr2lSIcX0Ldt7lx65B8pBgaG+UlNmWtr4LgeSWQ9LRrYmpY96jeOdCQ==
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

2026-09-17T11:09:02.983188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046081
observed 1307346f3bf072120281533d6f577278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:02.962868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046081/manifest.json
observed 5a9e5c814f64c3ac919b50e8df55b91c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:02.944472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046081/publication.md
observed f3edb3ff65ac80f36af42039a67de8c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:02.924779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046081/publication.txt
observed c01d91a4a299f3da176f84e7a1abd863...
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.