OpenTechnical

OT-2026-000046183

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, pressure sensor per zone, 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-2026-000046183) never changes.

Identity and time

Publication numberOT-2026-000046183 · never reused
Internal UUID01a0ae7e-032c-7309-ae1c-fb07ab37d7bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046183
StatusPUBLIC

Content hashes

Canonical texte0f1ecd8fb04fd40c8a9e2fd6bac598d543458dd07ce354982bd3180cd053eea
Markdown50515a65fb5f09ce39590cfaa1e287652a0b3e0c971b6bd17957a5167a31e309
PDF
Publication page80f3bc3d7bcad26d4ebdfa33fd8767491a0f4c6c700f8be1f4d26089be2cd859
Manifeste5a94beba19d50a91ea4f7f81c3e86431c7027e481cfe9f3ff11750007f498ec

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
SignaturencAHYhesEHlmuoT0ueMfTPM4piN0MDpS93vYFW6clna6nOqtmTtMBgubZTUAZbA5TPARtTh/iJBGI3v9qkzKDw==
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

2026-09-17T11:09:11.549989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046183
observed 80f3bc3d7bcad26d4ebdfa33fd876749...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:11.530631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046183/manifest.json
observed e5a94beba19d50a91ea4f7f81c3e8643...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:11.512602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046183/publication.md
observed 50515a65fb5f09ce39590cfaa1e28765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:11.492504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046183/publication.txt
observed e0f1ecd8fb04fd40c8a9e2fd6bac598d...
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.