OpenTechnical

OT-2026-000091862

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000091862) never changes.

Identity and time

Publication numberOT-2026-000091862 · never reused
Internal UUID01a0ae9d-43ba-771b-b9e1-2f1444053150 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091862
StatusPUBLIC

Content hashes

Canonical text604cd4a42be9280c9cdc4cc95943542df7a9d446f29c96df363cffc03d8a5c44
Markdown566d8b9fb413b57839dcaf031a4f60d31b2e9ee2e44960385357149037327e0e
PDF
Publication page7d4fbec051ee76cfc37b3770ebcd76a55c450679bafbbf53c381d66bf92346c7
Manifest527049ab329672a2df63daa1a5151c198f1a8f7aa2ae2534272d708abcb73744

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
SignaturexMcXHB6d0YyojHJON0AHL4M4SvRo3Owy3T7ptGEaHIK5Uyj7gzWCgg15/upaIzBVmh5DhrtQmfVKku9y7CTDCg==
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

2026-09-17T09:42:47.182984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091862
observed 7d4fbec051ee76cfc37b3770ebcd76a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:47.166487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091862/manifest.json
observed 527049ab329672a2df63daa1a5151c19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:47.147969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091862/publication.md
observed 566d8b9fb413b57839dcaf031a4f60d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:47.129659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091862/publication.txt
observed 604cd4a42be9280c9cdc4cc95943542d...
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.