OpenTechnical

OT-2026-000045320

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000045320) never changes.

Identity and time

Publication numberOT-2026-000045320 · never reused
Internal UUID01a0ae7c-f76b-7a3b-b9cc-7d47970924d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045320
StatusPUBLIC

Content hashes

Canonical text55238610bbbe69564f1da92e1a2993c5da4f596cea0925b1bec94e1f91c95c0a
Markdown351ab84bddeee148a910767cec0f46afc557a078acdbc1c84abe8801ce76cd4f
PDF
Publication pagef47c4e7233089c9d39b6738f7996142902a58b08494f74cad6ef4b1d11eda6c3
Manifestb382e60ee18b1bbabf0065e130413c7acf808559e115e3758f132e272b716053

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
SignatureklDcgeYTl5AtWDKApzCGVXlwXdqDkg8/7K58MVNoBebB8sbk+hYxCuTaDbTvoa8xr+wVMKEO16UADKQlsLfyAQ==
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

2026-09-17T11:10:34.359001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045320
observed f47c4e7233089c9d39b6738f79961429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:34.341600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045320/manifest.json
observed b382e60ee18b1bbabf0065e130413c7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:34.322716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045320/publication.md
observed 351ab84bddeee148a910767cec0f46af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:34.302929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045320/publication.txt
observed 55238610bbbe69564f1da92e1a2993c5...
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.