OpenTechnical

OT-2026-000017135

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, 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-2026-000017135) never changes.

Identity and time

Publication numberOT-2026-000017135 · never reused
Internal UUID01a0ae6e-76c7-74a5-a444-a432eecdd391 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017135
StatusPUBLIC

Content hashes

Canonical text48063cdae5fc89ec3bd516fb05e3a6c43fd9a3bd60cf779ae8b51158ac16a85a
Markdown88b8aeb4a97bfe19d61184deeb93fde3fa32fa888ee63014ffaa200782062dbd
PDF
Publication pagedde1e55111729a1478e5447480178f3d26e28c6208b7d66f462c58668a5c43c1
Manifest3e0ce165604a47e92d9bff44d21e90b7f8a0f2185abf4ef4c8aaa8e96669a32f

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
SignaturemSbQgrZ0bzJK6/KakHx3T9eyUJAT3YSqSzHertxVMDKwohojQVVKOqHXvvbq4FZdAiV/13z3IUw4NwhVb6hNAw==
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

2026-09-17T12:02:11.600764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017135
observed dde1e55111729a1478e5447480178f3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:11.581806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017135/manifest.json
observed 3e0ce165604a47e92d9bff44d21e90b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:11.565158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017135/publication.md
observed 88b8aeb4a97bfe19d61184deeb93fde3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:11.549795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017135/publication.txt
observed 48063cdae5fc89ec3bd516fb05e3a6c4...
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.