OpenTechnical

OT-2026-000018226

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000018226) never changes.

Identity and time

Publication numberOT-2026-000018226 · never reused
Internal UUID01a0ae6e-b488-7af8-8d62-6fa437bc6d93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018226
StatusPUBLIC

Content hashes

Canonical text7cc2e3cd6a99a4015ec22e134bb7c757d752b008105b7e2f9809eefa136cb596
Markdown76e7eb90d2c7d68055f710ab8cf56c5cbb72a231e4da4e38f8386391ecade057
PDF
Publication pagee4323bd47b2cdfbde6b28b64554103c19ba92311b37504579fcc82c6ed9b47a1
Manifest7b1c42662822527cf1f71116ad44a0e9bea2e08097bdea64d7bf6d995c0318d3

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
SignatureLMRb3xUzvyfyjbs2+bHR68W9Yl/CMLw59e6RNAPAXSWc/bAnxren7+UfpjKQMvOlDLxOSkTVh/AY1udNjYdRDw==
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

2026-09-17T12:00:01.027711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018226
observed e4323bd47b2cdfbde6b28b64554103c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:01.006893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018226/manifest.json
observed 7b1c42662822527cf1f71116ad44a0e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:00.984869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018226/publication.md
observed 76e7eb90d2c7d68055f710ab8cf56c5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:00.966645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018226/publication.txt
observed 7cc2e3cd6a99a4015ec22e134bb7c757...
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.