OpenTechnical

OT-2026-000027107

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, pulsed blow-off before 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-2026-000027107) never changes.

Identity and time

Publication numberOT-2026-000027107 · never reused
Internal UUID01a0ae72-3454-72b8-a678-7e28512dd17b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027107
StatusPUBLIC

Content hashes

Canonical texta745ce056c91828ac479c9f25bf14aaf7578e6bb9bae656d7d8434485b828a26
Markdown91e7649099f28f8d5afcb46f09384baef95c4eec436716df34bf1acea9a579c8
PDF
Publication page7921e79469d9d6c666feaaa54e96dc6994f7c4cd896b2a829e19f36c80889d28
Manifest38af24db0fad73a5d994e324a212c2f44b43567efbf4181b8ebb7759aee1ca3a

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
SignatureuAigzA/W7uB1b2vaRRioGtehGl+SuDMPUfdGa9bzhxURwlyUVpC+wNvwACuI+A5wyjoriscvhLgxgvOJxrnmBA==
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

2026-09-17T11:43:52.651960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027107
observed 7921e79469d9d6c666feaaa54e96dc69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:52.635537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027107/manifest.json
observed 38af24db0fad73a5d994e324a212c2f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:52.618402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027107/publication.md
observed 91e7649099f28f8d5afcb46f09384bae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:52.602290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027107/publication.txt
observed a745ce056c91828ac479c9f25bf14aaf...
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.