OpenTechnical

OT-2026-000011822

Publication integrity record

Three finger electric gripper, stripped 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-2026-000011822) never changes.

Identity and time

Publication numberOT-2026-000011822 · never reused
Internal UUID01a0ae6d-1941-757c-88cc-4b8a5c5118c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011822
StatusPUBLIC

Content hashes

Canonical text4611e4d5416eca614ac2a213b422a93924b2ab3d0c02916ca4cd1cce8d76c62c
Markdowna69ab27ff39f4da9ae7cad1ba13dcc55ee0ac4d16b7299699c44b9b6e042cec9
PDF
Publication page6400e5bf4d3631f2cb871cb1fb048241f278723550d491f945f2febbc32589c7
Manifest31c8aaba6a990e8e6777e705b131869a452f4a97f8e3f744ef6ea2159d0ce022

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
SignaturexCxfOvefpcUl0Bd1VKl+dKYLVYQxXfJaKuHcTIP77p6bYMdWFmQxEabInjXYfK1Y2z8lTJxTERTvSV4vKNNJAA==
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

2026-09-17T12:12:33.268628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011822
observed 6400e5bf4d3631f2cb871cb1fb048241...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:33.250922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011822/manifest.json
observed 31c8aaba6a990e8e6777e705b131869a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:33.230474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011822/publication.md
observed a69ab27ff39f4da9ae7cad1ba13dcc55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:33.211770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011822/publication.txt
observed 4611e4d5416eca614ac2a213b422a939...
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.