OpenTechnical

OT-2026-000025129

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two 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-2026-000025129) never changes.

Identity and time

Publication numberOT-2026-000025129 · never reused
Internal UUID01a0ae71-5fa5-7d2d-8b02-31577be30454 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025129
StatusPUBLIC

Content hashes

Canonical text60ccaab39071ab6bb1cc2a99a580e19bef617a1d10e0ca32c2689029ee658305
Markdownf7eee53d13a3b79ef1631c6eda40f97faa875a385ed50c830a76a4d1ea6a7f2f
PDF
Publication pagefd657a9acfdc925e60c990ef289fb234a7ee9407ada2d023b7eefc149ee62d76
Manifest1ecababd944e4f2dfde5eb02a9cb56c5ccb37e80f7eeac45e7e3e64181a4e1fe

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
SignaturewOFRgqa3wG4k1Y80+lsoTXZP8X8hEri3qPcWUd0KDkqvPTewI6VuwlCVUU0EqDSHRHgYTubeod4N7dCwbLAPAA==
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

2026-09-17T11:47:00.512067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025129
observed fd657a9acfdc925e60c990ef289fb234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:00.492184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025129/manifest.json
observed 1ecababd944e4f2dfde5eb02a9cb56c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:00.473647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025129/publication.md
observed f7eee53d13a3b79ef1631c6eda40f97f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:00.456778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025129/publication.txt
observed 60ccaab39071ab6bb1cc2a99a580e19b...
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.