OpenTechnical

OT-2026-000104054

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pulsed 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-2026-000104054) never changes.

Identity and time

Publication numberOT-2026-000104054 · never reused
Internal UUID01a0aea5-341e-72ee-a15e-3e2719526f1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104054
StatusPUBLIC

Content hashes

Canonical textee50778d07811366568757b640f055838f609a719bbc1c665311ac16e9f898a2
Markdown0bb58757b5548021c415d161f25e6e5efc499eb7dc4adb2cdcf980c11cf881cd
PDF
Publication pagea12abb27c68b9f9ab087171e1a97d3b690a6cf2c83d6f933527b350ec0a66c8d
Manifestd6cff6d2b726fac46f89c1bc9f5547d15131aa97b0c364c7fb5edc7efc0dd85b

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
SignaturerO9siAB2I0EiV3+aCo3qDiG+w9h/dgxQighzFRQHXn4lzwxksjHL4hhPElsk6p5hHv/cQJrO/QRcUf6wcYYHBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:07.351516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104054
observed a12abb27c68b9f9ab087171e1a97d3b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:07.333662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104054/manifest.json
observed d6cff6d2b726fac46f89c1bc9f5547d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:07.315314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104054/publication.md
observed 0bb58757b5548021c415d161f25e6e5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:07.297338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104054/publication.txt
observed ee50778d07811366568757b640f05583...
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.