OpenTechnical

OT-2026-000005996

Publication integrity record

Vacuum cup gripper, four zone face, per zone isolation, ejector fed, contact triggered

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-2026-000005996) never changes.

Identity and time

Publication numberOT-2026-000005996 · never reused
Internal UUID01a0a94b-b7ee-7454-af75-4acd3ab7b943 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:18:26.929241Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005996
StatusPUBLIC

Content hashes

Canonical text2ed9985477637ee14859a8bed8934bed1ad5a3d1d5ff63e5ef0a6c40c8b31011
Markdown72d95028a62b0bd71d18579c2cda7bab4a68e56dbc6fa66318b3592a3d4935bd
PDF
Publication pagec4e46e8c1ac90342210490c3d5b951a0894b9bf5a5aa9b026483734e92760a65
Manifestb7f61b013687b6c3b276513cd18f44370db31fd00099262b233f3f6932909448

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
Signature4tx1rqIDndFz3JHRWv97pBdqoXMWMP30UiymwJLV4dBp4xT8QxHynHO9aWLzrGCXTFbVE2t5BFrxj3qXUO5ADg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:07.921764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005996
observed c4e46e8c1ac90342210490c3d5b951a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:07.900294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005996/manifest.json
observed b7f61b013687b6c3b276513cd18f4437...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:07.882322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005996/publication.md
observed 72d95028a62b0bd71d18579c2cda7bab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:07.770275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005996/publication.txt
observed 2ed9985477637ee14859a8bed8934bed...
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.