OpenTechnical

OT-2026-000068502

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000068502) never changes.

Identity and time

Publication numberOT-2026-000068502 · never reused
Internal UUID01a0ae90-2481-7da8-81b9-7e95dfe858e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068502
StatusPUBLIC

Content hashes

Canonical texte02b3ce9ce686d438eca1cf530dc8e1e870be56f5a456e7723d1d04962d750c4
Markdownb616f60d390075e1871d8188f318eb50bd2a7a1354a50edc6fa73ca5e942f345
PDF
Publication pageccdb3aed0de9d9f72adb6025b7a49f49b79cfa5456ab9aa64fa302ae7b772514
Manifestda9e684a5e48fe7d0320ecbe6c9d4af49b11f3466096125b4a3bd39a48172187

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
SignaturehUz112B673KzBuAXY2Iwyu6J37xNcX81HwV/H3bTPkBr7qh9qI/vTcTvxDyX8XLeOnFZrIVu+u0CQOx8AdxQAA==
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

2026-09-17T10:29:39.686547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068502
observed ccdb3aed0de9d9f72adb6025b7a49f49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:39.668316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068502/manifest.json
observed da9e684a5e48fe7d0320ecbe6c9d4af4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:39.650345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068502/publication.md
observed b616f60d390075e1871d8188f318eb50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:39.633155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068502/publication.txt
observed e02b3ce9ce686d438eca1cf530dc8e1e...
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.