OpenTechnical

OT-2026-000012070

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000012070) never changes.

Identity and time

Publication numberOT-2026-000012070 · never reused
Internal UUID01a0ae6d-1943-7158-94eb-7d4ca982c6fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012070
StatusPUBLIC

Content hashes

Canonical textc4104e2e3fc0ec35d9b78473cef17aff5e7b8d7a29e6f97863faedda292a2010
Markdowned753470b57a5e7785b1f02659d3ab76047e27c103a3713e95ac0825389519ec
PDF
Publication page34778eb3fc05d7881093e4d3a367c4c132c0bc8e384ba106099762f93df49fab
Manifest8b6bba7ce831706a5b8c7017733239deb3bd525dbfd46b196053cf7dcd681c4d

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
SignatureSd2tYWI+Bn+Z+GEHNh/T6fJFlAuNohAzF0ZJDyxti6X0ShxchUy0+aQQhMuj06/6ZOaEtdcRXBZNTT6ZOyPYBA==
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

2026-09-17T12:12:57.330524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012070
observed 34778eb3fc05d7881093e4d3a367c4c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:57.310611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012070/manifest.json
observed 8b6bba7ce831706a5b8c7017733239de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:57.291155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012070/publication.md
observed ed753470b57a5e7785b1f02659d3ab76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:57.271524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012070/publication.txt
observed c4104e2e3fc0ec35d9b78473cef17aff...
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.