OpenTechnical

OT-2026-000095231

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, 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-2026-000095231) never changes.

Identity and time

Publication numberOT-2026-000095231 · never reused
Internal UUID01a0ae9f-8f70-73a4-b660-1259f7833727 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095231
StatusPUBLIC

Content hashes

Canonical text7d7099c5cb6f6456cfe4b9a328c8e3269ba0ac6d22b9fe869b0cbabf7ffe1176
Markdownf1ec97e49a05337718b2a8c2803a894ca137cd72d38d50a85c4d325ca715c7f3
PDF
Publication page6aab885a20467c982932db2708def36ce81da79da667df7570f4228caa83aac1
Manifestfda8eca10dab3391aeca4a0eb407214fd8b8fa9cbfeafc61483741c40d70d3b7

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
SignaturetI1SPIr5COgTNRAKdT0kFUuAmrBvoLdX1oQ21hD+iSiJMY2TWM8k/0xa3U1iaWCM4HlYNsBwt7KkQCAPCi2fBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:33.292488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095231
observed 6aab885a20467c982932db2708def36c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:33.275712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095231/manifest.json
observed fda8eca10dab3391aeca4a0eb407214f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:33.257531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095231/publication.md
observed f1ec97e49a05337718b2a8c2803a894c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:33.240233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095231/publication.txt
observed 7d7099c5cb6f6456cfe4b9a328c8e326...
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.