OpenTechnical

OT-2026-000029678

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000029678) never changes.

Identity and time

Publication numberOT-2026-000029678 · never reused
Internal UUID01a0ae73-5e23-729e-bf7f-abb1aef1c461 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029678
StatusPUBLIC

Content hashes

Canonical text38f60ed93f922d09ddbc931475df0575f4e26715bf8f2c4fdb04c425ef052e53
Markdown87cd63197c45bb8bee1d2eff739ca5fc8fc24fbc29e37130f5adf69682731dd3
PDF
Publication page62099e1cbd643b094c63396b1ac256d460456545331a0bb873e8383233fa7f23
Manifested704cd86bce8833ff3ec46d4062ffa76d1cccf703d891bebb16bb24e4ae5bc6

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
Signature3lviVNAHpbD9+SvRZRyXRTyMbMG6+/JqHmFzXHN40y8kZlgEGu8ZlbzZt80J2Bb/j/BDue2ru/wgjKdCCN8lDA==
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

2026-09-17T11:39:23.962409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029678
observed 62099e1cbd643b094c63396b1ac256d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:23.943317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029678/manifest.json
observed ed704cd86bce8833ff3ec46d4062ffa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:23.926541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029678/publication.md
observed 87cd63197c45bb8bee1d2eff739ca5fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:23.911093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029678/publication.txt
observed 38f60ed93f922d09ddbc931475df0575...
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.