OpenTechnical

OT-2026-000032042

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after set-down

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-2026-000032042) never changes.

Identity and time

Publication numberOT-2026-000032042 · never reused
Internal UUID01a0ae74-bad3-7059-88ee-ef878953ce7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032042
StatusPUBLIC

Content hashes

Canonical text11bd1e00903f9bd7e87b095f6734855c7589266507b368ccb65a9b03acd9862c
Markdownc87f268f672c37b217eea7e0e2ed3d3ec5ac93da49ac5395be9e943c657380f6
PDF
Publication pagee1f9ae2483ffa62316ad7330f6dc012f6b2cd67334d09994ba72e6d93c331e20
Manifest30a6546f015d27326da8962a157c496f8b8d5db3d506127385ccda2f87e568b3

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
Signature1i6L+dacEaYJt5kqUuJiicYQx84artE848tyQiRbvjZUfz+9UqpKuAENyTopjmgz4D5IC7I9F7n9JMfJAcr4BA==
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

2026-09-17T11:35:27.327718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032042
observed e1f9ae2483ffa62316ad7330f6dc012f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:27.309990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032042/manifest.json
observed 30a6546f015d27326da8962a157c496f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:27.290955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032042/publication.md
observed c87f268f672c37b217eea7e0e2ed3d3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:27.270303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032042/publication.txt
observed 11bd1e00903f9bd7e87b095f6734855c...
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.