OpenTechnical

OT-2026-000091800

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000091800) never changes.

Identity and time

Publication numberOT-2026-000091800 · never reused
Internal UUID01a0ae9d-43ba-7591-a678-e7192cf2bf97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091800
StatusPUBLIC

Content hashes

Canonical text434e0dda51c3047dfc91f1bc79849203c55dfeebd5612a5ae8b9d8f28448c122
Markdowna400d680cea95adddbd329907d1d7121c3b548115b9ee6757e7a301d629d0fbd
PDF
Publication page1500cd394be62b9078ac765eda8025504544b6347567c3fefdd64993f6cfd9fc
Manifestb41b72f13cc7b557c3ddf1ea98f7f374ffeceb9757fa9293ac598f5bac90e317

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
Signature0zi/rgUrKuK+gcZRPFB3ibFLdBPCwMd9Wkf27Ju8IXKDOZ0P+Hox/yZwehb9XIkiPisJSuWVp2ZC9Yrlvna4DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:42:42.086141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091800
observed 1500cd394be62b9078ac765eda802550...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:42.069208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091800/manifest.json
observed b41b72f13cc7b557c3ddf1ea98f7f374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:42.050956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091800/publication.md
observed a400d680cea95adddbd329907d1d7121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:42.032481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091800/publication.txt
observed 434e0dda51c3047dfc91f1bc79849203...
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.