OpenTechnical

OT-2026-000012742

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000012742) never changes.

Identity and time

Publication numberOT-2026-000012742 · never reused
Internal UUID01a0ae6d-5562-7eac-ae93-d63e4ab43567 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012742
StatusPUBLIC

Content hashes

Canonical texta9fbc35608fb61c08742c87e7a31e0d9e254acd67b0069d9aefc93657718dd17
Markdown174ec2bd31e54d3ebf66a0fa4f6f82c499bbf49283e669e89d2f2cd7c018bca7
PDF
Publication page0fb8f44ea12f723ab63ea2845091b9a6e1d11724071c11bdfd61e13dd6584c76
Manifest30bf4f097875aa0dc1a929cc0cd1e663b9874589b6a0559c5875bd70256e3406

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
Signature3phyU4v+Wkz97b53l3GJ7ziMR8tXfZ7PdHiao7YnrsgR5aZm+mdPYBkb3vXWi+59ywPBVr6qFDWNcgZ571/zBw==
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

2026-09-17T12:10:26.355006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012742
observed 0fb8f44ea12f723ab63ea2845091b9a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:26.333458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012742/manifest.json
observed 30bf4f097875aa0dc1a929cc0cd1e663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:26.314303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012742/publication.md
observed 174ec2bd31e54d3ebf66a0fa4f6f82c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:26.296445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012742/publication.txt
observed a9fbc35608fb61c08742c87e7a31e0d9...
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.