OpenTechnical

OT-2026-000025846

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000025846) never changes.

Identity and time

Publication numberOT-2026-000025846 · never reused
Internal UUID01a0ae71-a83e-7baa-be65-788b43002bbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025846
StatusPUBLIC

Content hashes

Canonical text28d1e45e9e149fcc09bd15641c5f3dd27a2387b154171c8ff173c580b823f4a6
Markdowna1198f30d2b621e1d65e85417be471476745c0a5e252c8ddb3a04e5f32d6094c
PDF
Publication page3404e0d1d34da25765b80e3f8bd7824b5532ae78f424e088856a4ff873f677c1
Manifest830377fc039feaf748c785af53f1026a28ba43ed701996e1762ba552be0b4df5

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
Signature3JiEXe+IbpLt9yOLn/QFw+mXiagjhTX/Yk7E7FhL0uPmfrexpD7T6i2ZAXKBcPxOut1HIJYJnr7bazpq/8BMDw==
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

2026-09-17T11:46:04.481477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025846
observed 3404e0d1d34da25765b80e3f8bd7824b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:04.463954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025846/manifest.json
observed 830377fc039feaf748c785af53f1026a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:04.443688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025846/publication.md
observed a1198f30d2b621e1d65e85417be47147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:04.424301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025846/publication.txt
observed 28d1e45e9e149fcc09bd15641c5f3dd2...
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.