OpenTechnical

OT-2026-000019706

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000019706) never changes.

Identity and time

Publication numberOT-2026-000019706 · never reused
Internal UUID01a0ae6f-1fb3-7c4b-a9ff-1d0313d3a1c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019706
StatusPUBLIC

Content hashes

Canonical textffc57fdc8163a6de47e00c97e52925761848bb46f7a7ce96b1bad0bdf1f4f1fc
Markdown4bbf41311c1f1f4f4386ff54b279ea7018cc0470e6640cf1c9b618b4d91b7899
PDF
Publication page10798b686f9f8f9a23efbcddd94ae3576e4f553e244cf25640da8f9a3c4eb396
Manifestacaf7823c08f7ef392556212a1794032742e321cd47ad624ee65edc9708bf1b4

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
SignatureIo39MuNQSsM6pY+iJ72syui1MgrlRNvO7J5NPLKgu9I7BHlNPi+obu445E9K3o5UuovJGdIZ/z8Ir5IyolaXAg==
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

2026-09-17T11:57:47.474729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019706
observed 10798b686f9f8f9a23efbcddd94ae357...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:47.458580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019706/manifest.json
observed acaf7823c08f7ef392556212a1794032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:47.442152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019706/publication.md
observed 4bbf41311c1f1f4f4386ff54b279ea70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:47.425223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019706/publication.txt
observed ffc57fdc8163a6de47e00c97e5292576...
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.