OpenTechnical

OT-2026-000040502

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000040502) never changes.

Identity and time

Publication numberOT-2026-000040502 · never reused
Internal UUID01a0ae79-6d0d-7970-ac6d-5d3e642164ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040502
StatusPUBLIC

Content hashes

Canonical text3eb2c0ee72a1efd4b193cf6df078c6f17b6dd7dd0432e774a6ff1941acf455a3
Markdown3c6f16af21c9f970ff74a5b895294083b6a431f4c7cbeb4243706d28853b055a
PDF
Publication pageaefe33b29d705c43f6fa26a011c908e3380cebc6e4ceae57a8009781927372b7
Manifest3bd5b892ae4a0b2bcc112713ee63486ad2079e6d8e1f6d9acb5109642f3c07ad

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
SignatureeZuWvg2mG+i5HQzx8INgvydyuYPhUtzk9IQhzfjYSp/LCucqnCRLc3fqfUiMKsmjVnF1X3SUdHG+f3TpDjg2Bw==
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

2026-09-17T11:17:32.904604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040502
observed aefe33b29d705c43f6fa26a011c908e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:32.886918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040502/manifest.json
observed 3bd5b892ae4a0b2bcc112713ee63486a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:32.870149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040502/publication.md
observed 3c6f16af21c9f970ff74a5b895294083...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:32.854485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040502/publication.txt
observed 3eb2c0ee72a1efd4b193cf6df078c6f1...
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.