OpenTechnical

OT-2026-000045843

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000045843) never changes.

Identity and time

Publication numberOT-2026-000045843 · never reused
Internal UUID01a0ae7d-8f06-701c-a566-8c97ad2b5f9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045843
StatusPUBLIC

Content hashes

Canonical textaf15545bbcbf8b79b8daf1f5130d5f0fc813722e67d96943a3148640b0c4c27c
Markdown65a6a2a6da32036f6534795dd5070bd5dba00185085094e5fe865addcd3079bd
PDF
Publication page0693da0f75204635b85dd12b3aae71ed85731e09fef2ce1554fa3bb7ff9bc3da
Manifest6b21fb9673ee2792af7469434d0eb148c682279cceb8813740e799c4b38a200b

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
SignaturejlTTtSnGCiY9ZKzUu1brh8lLeKLvcBmNFIpSSLLZLkXKRR7DUI9pwoYNe0YVcwtF75qbcxoOcNZuLgpQGHfXBg==
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

2026-09-17T11:09:43.380332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045843
observed 0693da0f75204635b85dd12b3aae71ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:43.361881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045843/manifest.json
observed 6b21fb9673ee2792af7469434d0eb148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:43.344808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045843/publication.md
observed 65a6a2a6da32036f6534795dd5070bd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:43.326699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045843/publication.txt
observed af15545bbcbf8b79b8daf1f5130d5f0f...
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.