OpenTechnical

OT-2026-000014705

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000014705) never changes.

Identity and time

Publication numberOT-2026-000014705 · never reused
Internal UUID01a0ae6d-d093-7213-895b-5dc85cf94984 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014705
StatusPUBLIC

Content hashes

Canonical text5709fdfbffd7f98055a12c0666ee1876ecb592aac157c5ff0f9b733b562e1931
Markdown708ce446319da54fcd24451662ef01f98c295e21553e6c10e1f1604682da02fb
PDF
Publication page3c3803ed284469d8c121c3a42229253bca4b3b1b8fd167d09d4b2ef2ca7f31f0
Manifest960d6f14b89484c6e1dbb94010f61881cacba25bce82146a20dc3ca7dabdf141

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
SignatureRCdk2f/GIes+A/buYYJ4aSMDX/kJmNQLXuAqlLm2HcwvQqgcU+Vi5bsLk/56m9HSE5DVK48c20ntHSYAxilkAA==
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

2026-09-17T12:06:34.027031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014705
observed 3c3803ed284469d8c121c3a42229253b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:34.005775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014705/manifest.json
observed 960d6f14b89484c6e1dbb94010f61881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:33.986551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014705/publication.md
observed 708ce446319da54fcd24451662ef01f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:33.966472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014705/publication.txt
observed 5709fdfbffd7f98055a12c0666ee1876...
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.