OpenTechnical

OT-2026-000015213

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000015213) never changes.

Identity and time

Publication numberOT-2026-000015213 · never reused
Internal UUID01a0ae6d-ef48-797e-acb8-e9a369e267e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015213
StatusPUBLIC

Content hashes

Canonical textb661edb2cbf5cc15922c691004aac003831cd0df6c0bb94c65df5cde34275b73
Markdown31f84f7ed3578b91f228f3a91e6c0923fcc17103f9af51f870870a937a3158d5
PDF
Publication page6db4b725e5706e57a9bc3b773df428ad678fbf4f84f4763fb88cc9f6f5d449a1
Manifesta99a30623836c05f0d4da0c5df089ae6570fe0802dbffb8621b7be4f575ee427

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
SignatureG8k8AhNv1+qcXbbWO72qYKpYIAMBSEH5SkGUVXQZgfUc51oc6AXQmNhOXeArpT95dlpt8m14zxqWTpH01dx7AQ==
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

2026-09-17T12:05:50.906489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015213
observed 6db4b725e5706e57a9bc3b773df428ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:50.886476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015213/manifest.json
observed a99a30623836c05f0d4da0c5df089ae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:50.864451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015213/publication.md
observed 31f84f7ed3578b91f228f3a91e6c0923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:50.843389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015213/publication.txt
observed b661edb2cbf5cc15922c691004aac003...
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.