OpenTechnical

OT-2026-000011748

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000011748) never changes.

Identity and time

Publication numberOT-2026-000011748 · never reused
Internal UUID01a0ae6d-1940-7468-a519-3e1e4ab3152d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011748
StatusPUBLIC

Content hashes

Canonical textfaa1c884a6a1e148c3d9742ed0be77be6547fd6bfcb8b204275430f67090c561
Markdown8211d682b46cae855e69b5422c1cbeaae0c7e8b9cfe0ecb79d290a982e124eef
PDF
Publication pagedce05370a7ea5cd33acc5d56d4c7cc47dcb79c13856dea4877993dd2a7a1e42c
Manifestb689c0d981415b7dea66ac80425a37484e9a15de6ac1a8f6498a22635dd3ee30

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
SignaturevFO5Eul4Va6u1Cj4imirJM/J+XYGY8pyRX4wVQPcEskCOHxSPNqS7FR4NHJbmWzXZ8+R5rO+JQO7wuw6Sr5PBQ==
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

2026-09-17T12:12:27.273591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011748
observed dce05370a7ea5cd33acc5d56d4c7cc47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:27.253027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011748/manifest.json
observed b689c0d981415b7dea66ac80425a3748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:27.233467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011748/publication.md
observed 8211d682b46cae855e69b5422c1cbeaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:27.211966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011748/publication.txt
observed faa1c884a6a1e148c3d9742ed0be77be...
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.