OpenTechnical

OT-2026-000008313

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line 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-2026-000008313) never changes.

Identity and time

Publication numberOT-2026-000008313 · never reused
Internal UUID01a0ae6a-908e-726d-95ba-523d163ffb0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008313
StatusPUBLIC

Content hashes

Canonical text100a92504bb8f3dd9235b07cbd3526f75535f81f72db2b5ab367edbd787f270c
Markdown5a4fd7c9d158400d3c01b6e0fb52bb7240fdca29ece2778b880f2436d50346c7
PDF
Publication page52e714338f0745d929542841203d6aaf74b1f0bf0083c4a8daa05b3950291979
Manifest08354d9afe1c2d93e63f305b3bf3180b21736949a1deb29e37207e3f25c07933

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
SignatureHcy28bo7WbhR+5VHe5GDkvmvjWi93WPybp31W2yjk0BjmVwHBm4Ma4qFYhikj4NGGpHjTVH2pPwHOoVD/zNNDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:52.598252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008313
observed 52e714338f0745d929542841203d6aaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:52.578453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008313/manifest.json
observed 08354d9afe1c2d93e63f305b3bf3180b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:52.559398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008313/publication.md
observed 5a4fd7c9d158400d3c01b6e0fb52bb72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:52.539461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008313/publication.txt
observed 100a92504bb8f3dd9235b07cbd3526f7...
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.