OpenTechnical

OT-2026-000022023

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000022023) never changes.

Identity and time

Publication numberOT-2026-000022023 · never reused
Internal UUID01a0ae6f-bb5c-7a5f-b3b1-14f202890390 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022023
StatusPUBLIC

Content hashes

Canonical text6fcdc1d214ae5ecdb01402d812e2ea7f04b7d9050f978128ba1a645a880b9ed0
Markdown6dc516c17a9d1966851ab4c7c181a82766755f1a09c3cee106cd35bbeeb49f64
PDF
Publication page136dbe98e444955a6ca4a1f61d8398fd47f27c3d3f4ca2f25b07d2bf0de99fd5
Manifest1fa4a58371eccdc60ff0247688fc982e25ee22e62fa1f9ce87d3c0d413d39d58

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
Signaturef5va344PEByUATICc31ubXLRsicy9hvRQJnszYrei2h8RUjIqhjWb1K7fIQsO+Y03eJFCYkZPM6gQWqtYybDDA==
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

2026-09-17T11:54:42.493711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022023
observed 136dbe98e444955a6ca4a1f61d8398fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:42.473997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022023/manifest.json
observed 1fa4a58371eccdc60ff0247688fc982e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:42.455897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022023/publication.md
observed 6dc516c17a9d1966851ab4c7c181a827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:42.439182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022023/publication.txt
observed 6fcdc1d214ae5ecdb01402d812e2ea7f...
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.