OpenTechnical

OT-2026-000100441

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, sustained blow-off before 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-2026-000100441) never changes.

Identity and time

Publication numberOT-2026-000100441 · never reused
Internal UUID01a0aea3-66ef-7fb2-b479-5259e4d73232 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100441
StatusPUBLIC

Content hashes

Canonical textc8a831135c4c42f9b05c67161274bbf3324d36a374d9b3e54be42441d96326a7
Markdownddfca0fe50eff471b256b133d69ae9833621fb3bdd505989a2bc06d922fe0e43
PDF
Publication pagec3790adb0132b7fb52f955b26fbee5832e0881599c0c013562559a9ffbb0d05b
Manifeste34d7b47fc44ab2277736e0d030e9a4114186f561dd2f03b6f0de688d9ff2680

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
SignatureAHOwpYZJs3ymJU/kjATStJdDr/rF+8WL8hzqv/1/E4yYshAjCCqTMcuNfpfHNRr/k8MPoYpZWt9U+Lpk3UuPAA==
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

2026-09-17T09:27:07.792274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100441
observed c3790adb0132b7fb52f955b26fbee583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:07.776169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100441/manifest.json
observed e34d7b47fc44ab2277736e0d030e9a41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:07.759104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100441/publication.md
observed ddfca0fe50eff471b256b133d69ae983...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:07.742521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100441/publication.txt
observed c8a831135c4c42f9b05c67161274bbf3...
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.