OpenTechnical

OT-2026-000103702

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000103702) never changes.

Identity and time

Publication numberOT-2026-000103702 · never reused
Internal UUID01a0aea4-e462-70c7-84c8-aabbd58ca346 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103702
StatusPUBLIC

Content hashes

Canonical text58caf83f7bf077463d54cfcb90f9ba3ed93ff330221a02ed2c8376590157626e
Markdown13b7c5bc2653fd064b32bb9f72b9b70eca7acd289988cfbba61f07c1b8ed23d7
PDF
Publication page07dd24e10c2e1995f64ebdd7eff01806fe895c2977dbfaf4005cf62b60fb5018
Manifest76751884c4d696a034dcada9dc092c0ac427c2affc3c848e75a85fb56fabf1e4

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
SignaturezNo2clgNlZOuIHoyfJ2jJo7kf/HZ49bV//wnA9MuCayMHRIy0oVVAS6Wk7vGxnR3wrUi6ayeM4TkBSk08lhtCQ==
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

2026-09-17T09:22:30.543965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103702
observed 07dd24e10c2e1995f64ebdd7eff01806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:30.526738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103702/manifest.json
observed 76751884c4d696a034dcada9dc092c0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:30.509532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103702/publication.md
observed 13b7c5bc2653fd064b32bb9f72b9b70e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:30.491883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103702/publication.txt
observed 58caf83f7bf077463d54cfcb90f9ba3e...
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.