OpenTechnical

OT-2026-000033905

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000033905) never changes.

Identity and time

Publication numberOT-2026-000033905 · never reused
Internal UUID01a0ae75-a392-7f7f-9d3e-f6e1df7bbcc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033905
StatusPUBLIC

Content hashes

Canonical text004a206eb84be483dca6965e3bb6dae95a0b42aa7cc12976c4344a517d53f523
Markdown17c40acdcb1f12633e646fe5330947ad45aa7d540594d972b5e08e0f35c07837
PDF
Publication page37cd76f0a62df530fa4957310fa59ade2a173754112f141026c0a1a117207941
Manifest3499618e11efdd7a1d8c21d449529dfc0e6c84a596af8cdf4091d639a8519622

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
SignatureVT4W+MSKFfTK82/UUrg7Q5IVxZKFZ656pSQv3MD3GDjuGClAnuHMqj/8wRIs6J1qo57S6ejowq9d8CeQeshnDQ==
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

2026-09-17T11:31:59.006115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033905
observed 37cd76f0a62df530fa4957310fa59ade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:58.989011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033905/manifest.json
observed 3499618e11efdd7a1d8c21d449529dfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:58.970964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033905/publication.md
observed 17c40acdcb1f12633e646fe5330947ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:58.954351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033905/publication.txt
observed 004a206eb84be483dca6965e3bb6dae9...
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.