OpenTechnical

OT-2026-000012671

Publication integrity record

Four cup vacuum gripper, four zone face, three 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-2026-000012671) never changes.

Identity and time

Publication numberOT-2026-000012671 · never reused
Internal UUID01a0ae6d-5562-7c52-b0c1-ed31d4c87432 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012671
StatusPUBLIC

Content hashes

Canonical text0e38e365201bf0350d5191055da36e33095c4d36f3f97eba1905bb35164ae9e0
Markdownb7da424e34c7c3b1507d7c908e086f38f0a7bdf485a4775320e4d86135ebeafb
PDF
Publication page20d3533a6243aebf61ee97782ad8764b98d4653b9e5a193606df745c45b69431
Manifestb5068e6eff2123eb0fe0517d21d6030ef75b61f72b3d82c7c684e800f0084233

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
SignaturexYFTqrrEzoJ83XX6D6kb2ndsOvuw9Dkvu9tZW4QLr5q/c9JdNvzWYKhqQY2Hqas/KnWuydlfjfTb3B7mUwMUDg==
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

2026-09-17T12:10:18.945207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012671
observed 20d3533a6243aebf61ee97782ad8764b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:18.925333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012671/manifest.json
observed b5068e6eff2123eb0fe0517d21d6030e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:18.905192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012671/publication.md
observed b7da424e34c7c3b1507d7c908e086f38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:18.884289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012671/publication.txt
observed 0e38e365201bf0350d5191055da36e33...
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.