OpenTechnical

OT-2026-000023193

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000023193) never changes.

Identity and time

Publication numberOT-2026-000023193 · never reused
Internal UUID01a0ae70-7267-7b6a-8d12-f413c091a1f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023193
StatusPUBLIC

Content hashes

Canonical text7656d20ee7a095bf56909ae7e56f7ecb749211bf4d7afdccac56a8f403a6b66b
Markdown5c4685a524d1a34b3cd33cecc1e5500f7085b4cabed8d91b825f500fc9ab0559
PDF
Publication page164a581fdd5525c67841b452e6d0f72e06f225dcb66cd6bea9df7347eba38e73
Manifest0d5e9346d6108f9906898022f7f1ab92e43b582849843c7cb2e590aa571084d1

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
SignaturevsLyRaWqCtDoweNlxDVNbMgJ80lF3ZgnWT4dxnU5XaL/VwuGlh4re/4bMIglxtfYD6mrmJstg6tG29jpBVgIDw==
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

2026-09-17T11:51:08.736624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023193
observed 164a581fdd5525c67841b452e6d0f72e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:08.715885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023193/manifest.json
observed 0d5e9346d6108f9906898022f7f1ab92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:08.696632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023193/publication.md
observed 5c4685a524d1a34b3cd33cecc1e5500f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:08.678346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023193/publication.txt
observed 7656d20ee7a095bf56909ae7e56f7ecb...
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.