OpenTechnical

OT-2026-000031944

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000031944) never changes.

Identity and time

Publication numberOT-2026-000031944 · never reused
Internal UUID01a0ae74-bad2-74f8-9e88-c3f06565e810 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031944
StatusPUBLIC

Content hashes

Canonical textb4556a7019459fee6fb10b7357d070b40a1dad442914d1859e85520f000048e3
Markdown6f2c7f7a8196f373afbf09f5e30c56dcd1b880bb1e18e0f2c0f7825b1c1ccb00
PDF
Publication page5f3bb51b9d1b83e58ee77994398af65650a0324bad549c6853e22adc38a32e71
Manifest78f6d313aa16c5458c5494498673baf4058e81c04f2f37625307a0cf0aa2dd54

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
SignatureUAE9xuTCaR4bAbTc3hceEqXQUUzMx6j9tK2HJrvndBfI9oha2Z40LvA9y8lW/Xd4OE3m8bZrV1x8OuDnjDfDAQ==
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

2026-09-17T11:35:13.688792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031944
observed 5f3bb51b9d1b83e58ee77994398af656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:13.670193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031944/manifest.json
observed 78f6d313aa16c5458c5494498673baf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:13.651613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031944/publication.md
observed 6f2c7f7a8196f373afbf09f5e30c56dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:13.631535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031944/publication.txt
observed b4556a7019459fee6fb10b7357d070b4...
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.