OpenTechnical

OT-2026-000043154

Publication integrity record

Foam pad vacuum gripper, single stage ejector, sustained blow-off after 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-2026-000043154) never changes.

Identity and time

Publication numberOT-2026-000043154 · never reused
Internal UUID01a0ae7b-327a-7a8d-bbf3-394feda8a7b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043154
StatusPUBLIC

Content hashes

Canonical text962c5e08c27b84dc09dba0329d633691d7861a43406efeb6056e5a4a994d65fc
Markdownbe994026410558406a1d5368fd63728389caefed6f953df0aa5b303e1bbc550c
PDF
Publication page53ecfe8af8312c42f34212e97df37d6e0872b8450959595dc606f5e68191f528
Manifest7db2e0b592c971bf8b38836e892de90c3997d55bcc15aa587777b08e8971f510

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
SignaturePSvgOFJ7hrdzG97ZX3pccvv6tsXX3A4vzJee3hF0cxc2GGKxYkvfqnlLoOu/7hxVukaCP/jNI3k+t4JJPqhbDQ==
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

2026-09-17T11:13:35.703892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043154
observed 53ecfe8af8312c42f34212e97df37d6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:35.684256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043154/manifest.json
observed 7db2e0b592c971bf8b38836e892de90c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:35.664748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043154/publication.md
observed be994026410558406a1d5368fd637283...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:35.645837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043154/publication.txt
observed 962c5e08c27b84dc09dba0329d633691...
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.