OpenTechnical

OT-2026-000082423

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000082423) never changes.

Identity and time

Publication numberOT-2026-000082423 · never reused
Internal UUID01a0ae97-4d96-77dc-bcda-4083897e1a8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082423
StatusPUBLIC

Content hashes

Canonical text065298ccab1d890e25c4669c59213d5a944067d3325b2573d69ea9b90d818312
Markdowned14202f6d6ca6bac9e6c6ed304b69d054aa70fc18a3dd651cadce8fae781d7f
PDF
Publication page85c20e25fd64bb94248f12d18f5e017c2fd766f73df81f59ba13f48e60daa42b
Manifesta9cbf5440f76afb9753b8d9a96edb8d401885c6a2e58c9f16a26a287fb7f36ea

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
SignatureyEUWzcqxC0fCJKA5mvhV09GI7x7Wxv75NCQfFRqb9ojBQL4XXA/Sp0x1cH0NE/yOjFljkPWjdzqoFg5raq9KBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:59:18.799360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082423
observed 85c20e25fd64bb94248f12d18f5e017c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:18.779019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082423/manifest.json
observed a9cbf5440f76afb9753b8d9a96edb8d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:18.761637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082423/publication.md
observed ed14202f6d6ca6bac9e6c6ed304b69d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:18.744834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082423/publication.txt
observed 065298ccab1d890e25c4669c59213d5a...
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.