OpenTechnical

OT-2026-000013505

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, pulsed 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-2026-000013505) never changes.

Identity and time

Publication numberOT-2026-000013505 · never reused
Internal UUID01a0ae6d-6fcb-7df9-a590-155eb24ca2bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013505
StatusPUBLIC

Content hashes

Canonical texta5967478c84e2381a7d2082d440bcd810fe013f60efd3cfc6c11fd058eeee6e0
Markdown050676027d82f71e287276e30f70695cd3e583f1ec4019e62924739e02b181e4
PDF
Publication page331704e6a30c3160c47d9e0dc175f2ba2111e6ea4944e99d98f88281a5ed84bc
Manifest92c99d8a258642808458d1dbf2902a4cc375fdeaf88f0bbaed2bcf3aa03e5b8d

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
SignatureuqZxkgIiOBX7+7JD2in98OFRqdxMH4BY0MCRX95PoebV3LMr+zMFgnqC0F/zDXWNpiPrhTdUyXIZHqGO3B/HAg==
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

2026-09-17T12:10:00.936869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013505
observed 331704e6a30c3160c47d9e0dc175f2ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:00.918762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013505/manifest.json
observed 92c99d8a258642808458d1dbf2902a4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:00.897791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013505/publication.md
observed 050676027d82f71e287276e30f70695c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:00.878066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013505/publication.txt
observed a5967478c84e2381a7d2082d440bcd81...
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.