OpenTechnical

OT-2026-000016861

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000016861) never changes.

Identity and time

Publication numberOT-2026-000016861 · never reused
Internal UUID01a0ae6e-5919-7977-8d1f-c3dd078f96a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016861
StatusPUBLIC

Content hashes

Canonical text5cb9e3fa1fe80dc0fdde2066915e87c0df19e77aa52c0f636c6fdf6310cd785a
Markdowna227c8c8e672d7271e18a8b1f75e6f577035a2aadbf59cad98d85706d0a606a7
PDF
Publication page4018c2334ce2e37826c4bc91f262aadc1add743abb2f6060a1d20988848d6eae
Manifest122ff411b21b9b8591d1ecdd87d35494834cb242246919b78829f84ccb118109

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
Signature4DzyoJ7RL2vhfg2zShrgtzpXDaPvpSkNVhHntXnJj9+JQDIRmHg1NUEEm32o2V340Lnmhm5HNQhoy7r3iZv1BQ==
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

2026-09-17T12:03:07.695818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016861
observed 4018c2334ce2e37826c4bc91f262aadc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:07.677815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016861/manifest.json
observed 122ff411b21b9b8591d1ecdd87d35494...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:07.660215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016861/publication.md
observed a227c8c8e672d7271e18a8b1f75e6f57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:07.642784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016861/publication.txt
observed 5cb9e3fa1fe80dc0fdde2066915e87c0...
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.