OpenTechnical

OT-2026-000038934

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000038934) never changes.

Identity and time

Publication numberOT-2026-000038934 · never reused
Internal UUID01a0ae78-76a0-733f-87bd-90213fefa129 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038934
StatusPUBLIC

Content hashes

Canonical texte2d360ad9f9bc2c9fc8fbe3054ce9fd4fd7327865a7297704ea83123ffe410ff
Markdown1376fd8a8d8661db2e9950aa3e55e1f3a7617f6ef8a8e3a0e30e7a4b9b36db15
PDF
Publication page20d16917c032479106301419ad15d55aa1f98fb2dac0548349168657e9c6479b
Manifest56dec5fb62c2cef81bb4f17146f73374b3a863390b3ceb61ee9cc0e5f3d1270c

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
SignatureGtuG/Z8ON44VSvi/vsZndy0wtMwIqvFAznL22rJgGz1Wx8WYSImGjB/8LiqWRxMeqVq9PJ/6hKN4igOAT2oPDA==
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

2026-09-17T11:22:12.156095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038934
observed 20d16917c032479106301419ad15d55a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:12.137430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038934/manifest.json
observed 56dec5fb62c2cef81bb4f17146f73374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:12.117595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038934/publication.md
observed 1376fd8a8d8661db2e9950aa3e55e1f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:12.100694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038934/publication.txt
observed e2d360ad9f9bc2c9fc8fbe3054ce9fd4...
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.