OpenTechnical

OT-2026-000020382

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000020382) never changes.

Identity and time

Publication numberOT-2026-000020382 · never reused
Internal UUID01a0ae6f-437b-7748-949f-dc5b2ad2bdcf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020382
StatusPUBLIC

Content hashes

Canonical textde43e1b55ea1fb02528ac59a6d0357d73a17da7eb2749aba4530ff4c1ee760cb
Markdowne2bf58f7e7480d3a778881b947135520eff858c97e1d0197cfa1f58285bc140e
PDF
Publication page4c2104fb5e2717e8f3820211c2040a4dae2b6c5b08693b653912e8cc7c98c160
Manifest9e79cfac512de3ef794b9b96ddfadc9a42cb1073fb7f9c130cb98522a6196072

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
SignatureDAYpey76X9A1scvklijqNLn5vkVLv6giLetuHAhVtUcUArGvnfPKx70xyKHKFIVNt0CTk6fbv62m05heLYKuBA==
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

2026-09-17T12:00:16.084356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020382
observed 4c2104fb5e2717e8f3820211c2040a4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:16.064216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020382/manifest.json
observed 9e79cfac512de3ef794b9b96ddfadc9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:16.045769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020382/publication.md
observed e2bf58f7e7480d3a778881b947135520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:16.023050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020382/publication.txt
observed de43e1b55ea1fb02528ac59a6d0357d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:21.090919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020382
observed 4c2104fb5e2717e8f3820211c2040a4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:21.070085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020382/manifest.json
observed 9e79cfac512de3ef794b9b96ddfadc9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:21.050863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020382/publication.md
observed e2bf58f7e7480d3a778881b947135520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:21.030936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020382/publication.txt
observed de43e1b55ea1fb02528ac59a6d0357d7...
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.