OpenTechnical

OT-2026-000018136

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000018136) never changes.

Identity and time

Publication numberOT-2026-000018136 · never reused
Internal UUID01a0ae6e-b488-71b8-b3fe-a7de3432862f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018136
StatusPUBLIC

Content hashes

Canonical textc93f15e12024af74d5ca05e08fad77d02ac23c154ec6b2f966b281a02b207fe4
Markdown6bc657802fb249f480ae2037d97ab1715d8945cb0dce7ca9712170ad3d00ce91
PDF
Publication page855b25b900073a7bd889d07dc4cb1a711e412f8bcef27bd222aad569506d88cb
Manifest1ac98e5e14dab0c988e706ad1bbbceeb62b0cdb39880932d321fa23c4daf98bf

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
SignatureLE9pl3FKTpG/pAw2UR0q9Zb0JrCz1RwNCEx0NAIZsuYeBaFrR027fUSYwfG18QKcDXuJcyUyQxkuS6gUDClICQ==
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

2026-09-17T11:59:52.724207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018136
observed 855b25b900073a7bd889d07dc4cb1a71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:52.704704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018136/manifest.json
observed 1ac98e5e14dab0c988e706ad1bbbceeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:52.687645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018136/publication.md
observed 6bc657802fb249f480ae2037d97ab171...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:52.670701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018136/publication.txt
observed c93f15e12024af74d5ca05e08fad77d0...
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.