OpenTechnical

OT-2026-000044417

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000044417) never changes.

Identity and time

Publication numberOT-2026-000044417 · never reused
Internal UUID01a0ae7c-39d7-7117-8cf9-7a3477284c94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044417
StatusPUBLIC

Content hashes

Canonical textf700889cc905a4c0c450bbde85313cd6f92b66bb3c7968656c2e0c232745c692
Markdownc4188d60c2449dcb27bb748645b28a60900eef366db9c1ed9a6899556ccd9612
PDF
Publication pagea0d7502a7be01c9e89a85868506b7a7f239834e8964a63801c49d4e3c04a03e2
Manifest904f4dea8924183afb54840d3799799df2ac2e387e556b54e1020b7d9ced9375

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
SignaturePZGwrkoXrIrNrMPxMEL/ZM8rVFlbuKxvHnnyKfYO/ROO5NqPl+7WweZkLpdtA2+9fO4D6U9n581JbvZs9ktfDA==
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

2026-09-17T08:30:42.760216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044417
observed a0d7502a7be01c9e89a85868506b7a7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:42.741583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044417/manifest.json
observed 904f4dea8924183afb54840d3799799d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:42.724249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044417/publication.md
observed c4188d60c2449dcb27bb748645b28a60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:42.583828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044417/publication.txt
observed f700889cc905a4c0c450bbde85313cd6...
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.