OpenTechnical

OT-2026-000039190

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000039190) never changes.

Identity and time

Publication numberOT-2026-000039190 · never reused
Internal UUID01a0ae78-9673-7d2e-8b79-1e03c993f87d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039190
StatusPUBLIC

Content hashes

Canonical text703a9ba421481a73cbf22c850d87a35bffaf5079f49c0952bf774ac4657fd85e
Markdownd1bd0eed7704ff5b8fcac6d39eb5f1617a222b151e97681e372801559cdcea23
PDF
Publication pageca4ad77322820d636dbe5af910adb21c32a4396ee6ef3068cc9e59c6d22c3465
Manifest04eb341d7165f8c6b7880dbb5c11ad2c3fa6ecc38868f2511a96365638e232f2

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
SignaturepIqcCXQ5M96R9DN7zIub2bbgtkCUuoGXzDr3WGTipY7P5p+eZyiqXyflMTsK/uJSmrB+kiYkmu/1tQ8Qo3i/Dg==
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

2026-09-17T11:20:43.456612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039190
observed ca4ad77322820d636dbe5af910adb21c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:43.439158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039190/manifest.json
observed 04eb341d7165f8c6b7880dbb5c11ad2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:43.423148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039190/publication.md
observed d1bd0eed7704ff5b8fcac6d39eb5f161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:43.407056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039190/publication.txt
observed 703a9ba421481a73cbf22c850d87a35b...
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.