OpenTechnical

OT-2026-000018064

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000018064) never changes.

Identity and time

Publication numberOT-2026-000018064 · never reused
Internal UUID01a0ae6e-96fd-7438-8864-72b6d56a8a43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018064
StatusPUBLIC

Content hashes

Canonical texteb62acf70511366767c2e7b77eb5ca8415914b4b4346b4c8cd98654d61f9d595
Markdown3f3e678367c3613db3f5bd0156e4b5fe4b6814e928ed208306f8430c2782a85c
PDF
Publication page5e3fcf3171881a56c769fe861c0a0d3e7af799aef4d7bcc9822d2094e5db6e41
Manifest700ca437cc559cdd2e7d5eabdf8ebeedfa86764d231fdf05b83690ad54ca3876

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
SignaturezovBHeDCaT3V1WSyZhV9X1ahD/z+/MbYDWAjTrM7Jqj4STfQQhJ6VcmQSx4Td5x13hvlFOKsm3cDZHhxbtDOBA==
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

2026-09-17T12:02:06.209698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018064
observed 5e3fcf3171881a56c769fe861c0a0d3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:06.192522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018064/manifest.json
observed 700ca437cc559cdd2e7d5eabdf8ebeed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:06.176454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018064/publication.md
observed 3f3e678367c3613db3f5bd0156e4b5fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:06.160315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018064/publication.txt
observed eb62acf70511366767c2e7b77eb5ca84...
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.