OpenTechnical

OT-2026-000003709

Publication integrity record

Vacuum cup gripper, four zone face, four outlet manifold, plant vacuum 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-2026-000003709) never changes.

Identity and time

Publication numberOT-2026-000003709 · never reused
Internal UUID01a0a90a-cf6a-7e1e-a29c-0668dffd265a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:33.101073Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003709
StatusPUBLIC

Content hashes

Canonical textfbefadd673ee9e3d889063632b9e32e8641e5aa15d47ac199713c7b1a6538773
Markdown16b3e0d85c2f5497b6ad8da371a9870667311174817b63e71b0f86fc68c525d0
PDF
Publication page89fa10535f5633d219a8fba28f67d14f0db49031b34a750b52cb7201f27f39e6
Manifest8ceeba277fcdaeb950498f0c984f6bf23c77b0a02b257eebf861cf421fbc665b

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
SignaturezCzxQUINDausB5yOovRm+o8njvN5k7DMPVJuiGlVY4j3umIhcNZHkEaSLRQrpRzQsk/GPQ0Fl3rgo//vXyzXDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:00:35.723454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003709
observed 89fa10535f5633d219a8fba28f67d14f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:35.706562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003709/manifest.json
observed 8ceeba277fcdaeb950498f0c984f6bf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:35.690189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003709/publication.md
observed 16b3e0d85c2f5497b6ad8da371a98706...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:35.673913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003709/publication.txt
observed fbefadd673ee9e3d889063632b9e32e8...
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.