OpenTechnical

OT-2026-000013687

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pulsed blow-off before 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-2026-000013687) never changes.

Identity and time

Publication numberOT-2026-000013687 · never reused
Internal UUID01a0ae6d-8de8-7049-a41a-795d84d6323a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013687
StatusPUBLIC

Content hashes

Canonical texte2f26dafef37d952d7e1a95f5fd014c6f80dcc8932214466f75457910712fe26
Markdown01bde63d937ddda9f4702a8239182c08257e412dc3f0478ddb53361476634d0e
PDF
Publication page3458d6eda7859c9f421c5aabf6cc78858af3502d58910f6b2774b5e106f3e3d7
Manifestaab204dd9842039a777a99f04cad1c4a4a9569a91862f06972f76fa26ff92e5e

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
SignaturehV9CUKIQ+iQ9khzjKx4mzekfsmPnKL0x8MTXLe02HHZWRBI1Moe3lE+RIzxBsCsTRzzqiybm1Zi6Ghrq5skCCg==
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

2026-09-17T12:08:38.236022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013687
observed 3458d6eda7859c9f421c5aabf6cc7885...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:38.217152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013687/manifest.json
observed aab204dd9842039a777a99f04cad1c4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:38.197970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013687/publication.md
observed 01bde63d937ddda9f4702a8239182c08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:38.180081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013687/publication.txt
observed e2f26dafef37d952d7e1a95f5fd014c6...
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.