OpenTechnical

OT-2026-000041362

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000041362) never changes.

Identity and time

Publication numberOT-2026-000041362 · never reused
Internal UUID01a0ae79-b144-7014-9330-17385e8d850f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041362
StatusPUBLIC

Content hashes

Canonical textb7df01c3ab44287d96653a2fe9dce1f39ab1afff6e4fc5a83fdc354b2e3b87f7
Markdown2471524d9ad3f65aeca6a9f2ee0f14cea04dccbeabcbf6bfa365afb533760cd7
PDF
Publication paged5d2db1af2a71d7af7c6af3c08604f113df910e84afd779f402bf4c7b3167edb
Manifestd8afa7a19741eb2f9d575f5c85b6471d28f1512ce6ea97401597676c396fe436

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
SignaturetPV+TQGP3RvwJfAqX7MhKAs/5jJAlVIJmPPbLFEGIi+m7PTV6exKpAaCsrMR/hs3gC4oI5JFpc8SvUHtDorQDw==
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

2026-09-17T11:17:21.898716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041362
observed d5d2db1af2a71d7af7c6af3c08604f11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:21.878735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041362/manifest.json
observed d8afa7a19741eb2f9d575f5c85b6471d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:21.861636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041362/publication.md
observed 2471524d9ad3f65aeca6a9f2ee0f14ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:21.844301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041362/publication.txt
observed b7df01c3ab44287d96653a2fe9dce1f3...
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.