OpenTechnical

OT-2026-000034590

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000034590) never changes.

Identity and time

Publication numberOT-2026-000034590 · never reused
Internal UUID01a0ae76-1ed1-79da-b26c-bcd30b9f12e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034590
StatusPUBLIC

Content hashes

Canonical textbae0015b7ab289ff7623deae397e1d79baab5421b8c7260b0bd9179a611612af
Markdown6576d4d76807308d51f80bca962ac310b425d89cd4ae5256b235752fbce8eac2
PDF
Publication page4e62cd627cab4dbfdfbe7fffddff9c81abd1d619127efdb04d1501d351e3a1fb
Manifest5e1790455f0c3d017f2ed05c415f67af650853e767c50b2bc466719dab0b9e28

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
Signature3MsHX+gSMHqruzsJdKm/WAKr0/b33UG3erjtJSRQjd1DzxctbIgAaBtUPsjdLuXY/cCOEOm950Xe6PBcInMWBw==
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

2026-09-17T11:28:57.933962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034590
observed 4e62cd627cab4dbfdfbe7fffddff9c81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:57.917422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034590/manifest.json
observed 5e1790455f0c3d017f2ed05c415f67af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:57.900942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034590/publication.md
observed 6576d4d76807308d51f80bca962ac310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:57.882949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034590/publication.txt
observed bae0015b7ab289ff7623deae397e1d79...
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.