OpenTechnical

OT-2026-000103869

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000103869) never changes.

Identity and time

Publication numberOT-2026-000103869 · never reused
Internal UUID01a0aea5-15e7-7f22-84a0-2fb739f926ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103869
StatusPUBLIC

Content hashes

Canonical text8cf40b8076c7bd3c1e52ebd3a49eec215cfbf121bde05038ad5ecdee636992e8
Markdown8da3dcd7398f0f159a4b70c943d622844b97763fbb197e5e6c0e21df7b6c58b7
PDF
Publication page12fd517800ff80e0459e91f46af16899a8a5597c3e524ca56f359b81a5e33782
Manifest7ba6ab315979885984bfe68246ea216c61f24f4197e27ed7a897a9b61c525edf

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
SignatureUIbdmOa7kDTsZGn7GWxXgo9ftn6XLbjEWmVxkbhEfy8Ml1cTYK9nDDChckaTOxJSNjCuAWr4WB1VefuzYA0/Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:51.143372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103869
observed 12fd517800ff80e0459e91f46af16899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:51.127485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103869/manifest.json
observed 7ba6ab315979885984bfe68246ea216c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:51.110894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103869/publication.md
observed 8da3dcd7398f0f159a4b70c943d62284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:51.093717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103869/publication.txt
observed 8cf40b8076c7bd3c1e52ebd3a49eec21...
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.