OpenTechnical

OT-2026-000068270

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000068270) never changes.

Identity and time

Publication numberOT-2026-000068270 · never reused
Internal UUID01a0ae90-247f-75af-bab5-3af13a3bbdce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068270
StatusPUBLIC

Content hashes

Canonical text5f57c5d7d351b4c1fae272b4c7d06aad677d669b284c7413464456e346292af7
Markdownc941ae7093292a2f5c4f1638f07ab27f48d0232d911e853b7063288b2438a964
PDF
Publication pageac20fd6b4886579c59e715a568ddb4ac54eb9260d2be5de0f5aab02fcf09ac0d
Manifestd906e6a3f1af5847b6e3aa19798c06953ddda3ac20f76460e1e4559b937e2e1c

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
SignatureGDQtoAx21sB77fKNHPN6lHVhN4Mg1UZkyY5GWAwT9kJbfd+AvRTJPVxnDSIx1HoOyaSOMnzqMYGyDcKmHEo3Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:17.790813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068270
observed ac20fd6b4886579c59e715a568ddb4ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:17.772878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068270/manifest.json
observed d906e6a3f1af5847b6e3aa19798c0695...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:17.755784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068270/publication.md
observed c941ae7093292a2f5c4f1638f07ab27f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:17.738938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068270/publication.txt
observed 5f57c5d7d351b4c1fae272b4c7d06aad...
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.