OpenTechnical

OT-2026-000046055

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000046055) never changes.

Identity and time

Publication numberOT-2026-000046055 · never reused
Internal UUID01a0ae7e-0329-7cd7-8820-7aa694e2ceb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046055
StatusPUBLIC

Content hashes

Canonical textae452c2b16800a23d72f148ef627cc5026e233576030bbf9f8d82dbb9935cfac
Markdownaad105d288d4d6a8ca862d42cbca13e116e80bbe95f2c32bae1d7f617354c7de
PDF
Publication page805376a62eb561cc90dd33d679ed051da5d2fc21e50304428dc1528b4bba51a0
Manifestcb22f932888a2f73ffa6ee13a704824d22f66b07ccf68b9dad292598cf6fc7b6

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
SignatureJ7Lx6ZNlCgl4bCvF8tBPnlqteXjZvWBAYhPaEOD7bj15h1xjNCUDi78UrlUKurLzYeDEd90Lb3SAMS/QUeWEAg==
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

2026-09-17T11:09:00.785754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046055
observed 805376a62eb561cc90dd33d679ed051d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:00.764483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046055/manifest.json
observed cb22f932888a2f73ffa6ee13a704824d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:00.745405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046055/publication.md
observed aad105d288d4d6a8ca862d42cbca13e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:00.725525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046055/publication.txt
observed ae452c2b16800a23d72f148ef627cc50...
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.