OpenTechnical

OT-2026-000103870

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pulsed blow-off after 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-2026-000103870) never changes.

Identity and time

Publication numberOT-2026-000103870 · never reused
Internal UUID01a0aea5-15e7-72de-a5cb-8d1d77ee056a · 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-2026-000103870
StatusPUBLIC

Content hashes

Canonical text7e380bad52772afd85c59a9e0960dc3f7e901c52e85a59de8f53b80954c3f35f
Markdownc26bf5fc608538a3141cbf3411dabbd9adadcc1ae7a3e7f6d81bc4c44e27f217
PDF
Publication page86c86a97f40077db0c4e5156c1028a21d401b1ee076fa2dc44cb207ea9dc8a0b
Manifest8b480b3d853726d5310a36ef7d96c5f486ffd76344fdd9d86901a46bdeede6ec

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
SignaturevQKkVv4BuCCNfUKkU5YqxGUlih9kbSX0UZpKraQ5hKyiBMO91+l60rwxyBeOeTJ667K3rREmKHiqvdkIH1NyDg==
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

2026-09-17T09:21:51.214611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103870
observed 86c86a97f40077db0c4e5156c1028a21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:51.197317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103870/manifest.json
observed 8b480b3d853726d5310a36ef7d96c5f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:51.181163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103870/publication.md
observed c26bf5fc608538a3141cbf3411dabbd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:51.164360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103870/publication.txt
observed 7e380bad52772afd85c59a9e0960dc3f...
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.