OpenTechnical

OT-2026-000033886

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, pulsed blow-off after 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-2026-000033886) never changes.

Identity and time

Publication numberOT-2026-000033886 · never reused
Internal UUID01a0ae75-a391-74d1-9172-8cf52e3c2c3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033886
StatusPUBLIC

Content hashes

Canonical textd884d229aa712a7b9eb9cc5c5e9bf2f512a915d1a90cfc76c4858aa92c3f49ed
Markdown9e333d6df1de7a00ba21ea8e87a1279e45414a8bfec2e0561e40c3958f4b8a17
PDF
Publication page88596daa932208204bf93fc0fc51e89c249cf1368a0021a464ac8d47997223fa
Manifest035a5a7eebdd0e53880db531de22fbe642c1907a53e5e41864b175b46e939fba

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
SignatureMs+6gm5XhoxI33qYuGQugsnkfvNAwnvQXdUBJfEriro3Z2ENh+wVfZVDY0zjD9vAHzbu0V8yU78gce3IJ+GXCQ==
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

2026-09-17T11:31:57.524998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033886
observed 88596daa932208204bf93fc0fc51e89c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:57.507157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033886/manifest.json
observed 035a5a7eebdd0e53880db531de22fbe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:57.487415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033886/publication.md
observed 9e333d6df1de7a00ba21ea8e87a1279e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:57.469272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033886/publication.txt
observed d884d229aa712a7b9eb9cc5c5e9bf2f5...
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.