OpenTechnical

OT-2026-000046835

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000046835) never changes.

Identity and time

Publication numberOT-2026-000046835 · never reused
Internal UUID01a0ae7e-d0f5-79ca-92b4-0929fd38dd69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046835
StatusPUBLIC

Content hashes

Canonical text0fe2fc2888cfe93c886a507885c3f058b7ea34c7e884da5be983912529263e4b
Markdownb954b6861e1b94ea5b9b9754faf633f03fa60b5410917753664d78e2216eccc8
PDF
Publication page74f125db149e5e0c2fd063bc9e1869933c77b52a3ea3abf801dbd132cc13e5d1
Manifestbdd329374d700af63715273327cefeb66c5b37bb938a8f9e18c869a3708b4c0e

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
SignaturejB4A/nhtrWsRK5V/wfCaVtrrsz+Ei4stuA6bTtjq8YKag7oZ16fAcJNkAynlCfoucyMyTwlxjJiXnAsAePF3Cw==
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

2026-09-17T11:06:55.929526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046835
observed 74f125db149e5e0c2fd063bc9e186993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:55.910893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046835/manifest.json
observed bdd329374d700af63715273327cefeb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:55.892587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046835/publication.md
observed b954b6861e1b94ea5b9b9754faf633f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:55.876010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046835/publication.txt
observed 0fe2fc2888cfe93c886a507885c3f058...
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.