OpenTechnical

OT-2026-000019802

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000019802) never changes.

Identity and time

Publication numberOT-2026-000019802 · never reused
Internal UUID01a0ae6f-1fb5-757d-862f-5e1fd6c55c8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019802
StatusPUBLIC

Content hashes

Canonical textbc54bb1737500821aa817d30a72869e7b4dc3e919f5f4bd2cdda059eec1c0d15
Markdownca0b458ae5c4db2e077e878185a9a1f0182ea19401b923b76b87bbffa316b15a
PDF
Publication page7b9d390226e7454200d2df7a8e229139d333f3612febba2aa0b922d8404aead9
Manifest7b3dc6e95f5159dbc2363987835f8d1bdf59c2a7e7a718cb06a56dbafabb3e85

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
Signature8OU4uMJB9s9opHXhaT8BtUyJ4jXRdo7IkPs70ttlm4VqildJjS3Hq0MVHoSRr4Kq0YjnRe+E+6vGSy5hBLaBCQ==
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

2026-09-17T11:57:58.897465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019802
observed 7b9d390226e7454200d2df7a8e229139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:58.879194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019802/manifest.json
observed 7b3dc6e95f5159dbc2363987835f8d1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:58.860623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019802/publication.md
observed ca0b458ae5c4db2e077e878185a9a1f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:58.844412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019802/publication.txt
observed bc54bb1737500821aa817d30a72869e7...
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.