OpenTechnical

OT-2026-000091740

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000091740) never changes.

Identity and time

Publication numberOT-2026-000091740 · never reused
Internal UUID01a0ae9d-43b9-78a5-b0c8-c30e405ac113 · 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-2026-000091740
StatusPUBLIC

Content hashes

Canonical textc43f17fcb1b4b5d31c413926c4281db76207dd43d3613b0213c3f0d9740b158e
Markdown5c10bd531fc20aa1699fe6c63bdcfb0a4050020e8087b0d953b56c3cc6747120
PDF
Publication pagec7cd69cfabe843235a6a4bcb9d09e9bd0f38b3f40d6af08bc2961d64de9fed31
Manifest5df10ad65bc958065acbeaf3f01870369ea1569c89b314ac95cea64809136f35

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
SignatureJoMJO0Chfij6nH8I3xI9514ttSM4u+Du2KEGtVr7oQmbTub6viQeYHyOqYDTh3w+GxZXXtRK8mtN9kNOwcYlDA==
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

2026-09-17T09:42:37.870251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091740
observed c7cd69cfabe843235a6a4bcb9d09e9bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:37.851932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091740/manifest.json
observed 5df10ad65bc958065acbeaf3f0187036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:37.832942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091740/publication.md
observed 5c10bd531fc20aa1699fe6c63bdcfb0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:37.813679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091740/publication.txt
observed c43f17fcb1b4b5d31c413926c4281db7...
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.