OpenTechnical

OT-2026-000097440

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line 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-2026-000097440) never changes.

Identity and time

Publication numberOT-2026-000097440 · never reused
Internal UUID01a0aea1-55b3-72bb-b15b-67d3e33d5615 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097440
StatusPUBLIC

Content hashes

Canonical text982cc1c52c9c3dcf2b52cce97cf1782392a9a27213d2510da7100be14063e6a6
Markdown752fb121475c887e0f358a89f44913823aa343137f7c3fdee1171d78df0cad2d
PDF
Publication pagea99f38bff16280c9397cee9cddb1933715ad862f37986777c8efb586005fc59e
Manifest4d05bde72b26f64b144b755fb419b1e92441be929af754e67f0a82b7f416c7f9

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
Signature+Zhfl1oNqLMZHkwgODDCj4mJL4xIykWQueNMk98GgfV1YBcLoAh8xrQzQS1X1ocQmh+NXCD4NODgTstWlErHDA==
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

2026-09-17T09:33:17.994003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097440
observed a99f38bff16280c9397cee9cddb19337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:17.977783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097440/manifest.json
observed 4d05bde72b26f64b144b755fb419b1e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:17.960070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097440/publication.md
observed 752fb121475c887e0f358a89f4491382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:17.943429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097440/publication.txt
observed 982cc1c52c9c3dcf2b52cce97cf17823...
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.