OpenTechnical

OT-2026-000039675

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000039675) never changes.

Identity and time

Publication numberOT-2026-000039675 · never reused
Internal UUID01a0ae78-d8d4-7c78-a729-83c0ccccdcb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039675
StatusPUBLIC

Content hashes

Canonical text57b10c43da28eae28d06ea5ad4bda71ecad433314c3d98ef5c00949b4ccdbee1
Markdownb7630bd15f0745142cc128aca24310d8b43d60ddd025e7450b641f8d8a83d381
PDF
Publication page1e0bf725bc8257a47d29bbd667558358542ac6afb596f0e8f64b053d3c0af69a
Manifest3e6b11de0e04d4dd68403a89e3628eadec389f423d9e8412c703d1efa6ee9bee

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
SignaturePBfH/FjR5EzyrjuhLbo4mhWrbioMpDr/75ydyIugZS88A5GKNFWjDR9IoP3r05CqrvU89v7sTgLPJfWd2pvLBQ==
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

2026-09-17T11:19:51.672809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039675
observed 1e0bf725bc8257a47d29bbd667558358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:51.655506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039675/manifest.json
observed 3e6b11de0e04d4dd68403a89e3628ead...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:51.637389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039675/publication.md
observed b7630bd15f0745142cc128aca24310d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:51.618934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039675/publication.txt
observed 57b10c43da28eae28d06ea5ad4bda71e...
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.