OpenTechnical

OT-2026-000006149

Publication integrity record

Porous face vacuum gripper, three zone face, two stage ejector, contact triggered on the face

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-2026-000006149) never changes.

Identity and time

Publication numberOT-2026-000006149 · never reused
Internal UUID01a0a951-00b7-77cb-a536-0967acca8a03 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:24:13.242242Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006149
StatusPUBLIC

Content hashes

Canonical textebc802f94ac3bca71c8b00c6bd3ef4038ff1bfb84727bf2ce614c69f9390d8fd
Markdown94dfba833124518558c0fd9cd5033b49a0fe0bbfd8b29775180d9c0234338306
PDF
Publication paged0fde7807cdd6cca9a5661f97ed1cb37848d815bbcfc5ef993e658636bbda5da
Manifest5e7bb847cfb6c353e41b669d69c8831307e6b61c551b03022f83142c7036e4fd

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
SignatureBQ03oSss/fpFtPRM/CgkHcBAlkYAH2Yt0J8O3GLGFFbfGdcF9yHdKtxOia6HCg0OQpkAViwD/BJVy+UiKmPXDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:21.991984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006149
observed d0fde7807cdd6cca9a5661f97ed1cb37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:21.978244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006149/manifest.json
observed 5e7bb847cfb6c353e41b669d69c88313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:21.964475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006149/publication.md
observed 94dfba833124518558c0fd9cd5033b49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:21.949098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006149/publication.txt
observed ebc802f94ac3bca71c8b00c6bd3ef403...
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.