OpenTechnical

OT-2026-000048445

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000048445) never changes.

Identity and time

Publication numberOT-2026-000048445 · never reused
Internal UUID01a0ae80-4de5-7b39-aa9b-55f3c05fe46a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048445
StatusPUBLIC

Content hashes

Canonical textd8f2a3c149790237de714a28ad2532e010c9eb60d6e619f819a27d20185cb00e
Markdown2b27a97313640d05791edd6e769cb5246e347bc61f42009431d863d51b82d9a1
PDF
Publication page13d9d3d59071dea4ff4ca97cfcf579e5df349e0a3a80b07337075c4685612864
Manifestcd32191539ce11e7e2ca1a2db6f1969ab4392efbd302a8df7a956a2a66d40e47

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
Signature6ej0oQVp/HrZ5kznyIv7IOn8WlXpo1CrtmPgTONHBiYPvcndKQ00+3cBYJ3yOesZIxbusBoep0AXY6GVVFd1Dw==
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

2026-09-17T11:05:05.930322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048445
observed 13d9d3d59071dea4ff4ca97cfcf579e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:05.912770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048445/manifest.json
observed cd32191539ce11e7e2ca1a2db6f1969a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:05.894383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048445/publication.md
observed 2b27a97313640d05791edd6e769cb524...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:05.874062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048445/publication.txt
observed d8f2a3c149790237de714a28ad2532e0...
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.