OpenTechnical

OT-2026-000017550

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000017550) never changes.

Identity and time

Publication numberOT-2026-000017550 · never reused
Internal UUID01a0ae6e-76ca-7312-b4f6-d79d4e9ea1c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017550
StatusPUBLIC

Content hashes

Canonical text1b556cdc47e66842e3f30f284a630e364ace72f4b3aad202b1f00fda8c980582
Markdownd82a871ea6bfc3e369362b69753e842f3f889beef63148907368f6f8691b4e42
PDF
Publication pageacbb8786d7afa399bff0c56a70b6cb5d59520c5236aab437b992ec43835318b6
Manifest322521e3c28a31cf6f3e03dca5acda7abf19c19105c1f2a887845bff5be67ac1

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
Signature7IVcjb2zhm184RbEiVepXno0tUI3CT/Rzl7LlEMaEZUJ5u/2GxR9qcSRYfYbxSBiRW6p36HOwmGsirgrjNNjCg==
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

2026-09-17T12:02:42.966013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017550
observed acbb8786d7afa399bff0c56a70b6cb5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:42.947159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017550/manifest.json
observed 322521e3c28a31cf6f3e03dca5acda7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:42.928389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017550/publication.md
observed d82a871ea6bfc3e369362b69753e842f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:42.908199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017550/publication.txt
observed 1b556cdc47e66842e3f30f284a630e36...
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.