OpenTechnical

OT-2026-000029901

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000029901) never changes.

Identity and time

Publication numberOT-2026-000029901 · never reused
Internal UUID01a0ae73-ac48-70e4-84b7-21ca00a61ece · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029901
StatusPUBLIC

Content hashes

Canonical text4ca7135336e9365fbcace6a189406a0d89446cb0c2326ee4a503b52ee5a469a2
Markdowne45e9f12011404a1371135a6f1ae725502a2dbbbeb95fc95b6acaac2400dd0f6
PDF
Publication page66b60a41b04a02ca5e0a1ef7246c7e36a1a44a23da4528c6896efe0b063d5b58
Manifest744fb02bacd7d18652153f4c333fb4a8802db4b0ec7a0b0bb0a7ed794dbcdaea

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
SignaturelXPwOF711oQMNN3XYVPjx5CMTxqIc2Rg+ZybBLQLD2Prix073EFm5X8Zrr7VNankKGEWB6GZaNS0lr+Q1gK7CQ==
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

2026-09-17T11:38:36.146487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029901
observed 66b60a41b04a02ca5e0a1ef7246c7e36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:36.130158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029901/manifest.json
observed 744fb02bacd7d18652153f4c333fb4a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:36.112631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029901/publication.md
observed e45e9f12011404a1371135a6f1ae7255...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:36.085363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029901/publication.txt
observed 4ca7135336e9365fbcace6a189406a0d...
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.