OpenTechnical

OT-2026-000011867

Publication integrity record

Three finger pneumatic 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-2026-000011867) never changes.

Identity and time

Publication numberOT-2026-000011867 · never reused
Internal UUID01a0ae6d-1942-73ca-8052-bf5abade3be6 · 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-2026-000011867
StatusPUBLIC

Content hashes

Canonical text0dbb4fbc0c9e52c9b26cf6d420a72b5927ba5d8074f6627df8c3c203a3bde6a9
Markdown96f4ae130caf22cff8dc68c7270ece19e272bacd15ed66132e06e4451d5ee2ef
PDF
Publication page91b5538320f8a752fed3d2c5441b461ae480e41822a47bd2c4e32e8baa375c87
Manifestdcc264a635a2e1c03a07aa8c88fa9abdd83072e8326353bde9ae976c45ffc2f0

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
SignaturepJugcIqLaGgtTB22+7BdWlF9ADHbbTNnJsj164R65AagST3Yw0lPCiXs8+KlZjh+pH2YAVQLtyoDZ/F9ci2pBw==
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

2026-09-17T12:12:36.853272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011867
observed 91b5538320f8a752fed3d2c5441b461a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:36.833956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011867/manifest.json
observed dcc264a635a2e1c03a07aa8c88fa9abd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:36.815306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011867/publication.md
observed 96f4ae130caf22cff8dc68c7270ece19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:36.793384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011867/publication.txt
observed 0dbb4fbc0c9e52c9b26cf6d420a72b59...
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.