OpenTechnical

OT-2026-000012748

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, pulsed 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-2026-000012748) never changes.

Identity and time

Publication numberOT-2026-000012748 · never reused
Internal UUID01a0ae6d-5562-781c-9e26-2a994e981bf1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012748
StatusPUBLIC

Content hashes

Canonical text357f4c39f87bf8dfa387c7104506c9e481ac33ca168a6b3f63b462fc97a4836d
Markdown60f6c6971fa9763747bad6b026c789f271e57f095bbb4b6cd53963f8145e453b
PDF
Publication page2d8f246c34692c27ac357410d72b87cd1f51d48c31795960b129173619bba7a8
Manifest87615e370acbd2e1af531bb6bcbf6fa127fb890c23b6d098fa7f07f2f2481d40

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
SignaturepQI68/gNy/QiuQxVb2jevkimi++nmAsChYmJ6Cpf5eBet7O0OpD1OVp/5isLyangF7zGbln+iL9aJeAvw4LJAA==
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

2026-09-17T12:10:26.870202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012748
observed 2d8f246c34692c27ac357410d72b87cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:26.836115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012748/manifest.json
observed 87615e370acbd2e1af531bb6bcbf6fa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:26.810015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012748/publication.md
observed 60f6c6971fa9763747bad6b026c789f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:26.787290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012748/publication.txt
observed 357f4c39f87bf8dfa387c7104506c9e4...
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.