OpenTechnical

OT-2026-000104146

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed 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-2026-000104146) never changes.

Identity and time

Publication numberOT-2026-000104146 · never reused
Internal UUID01a0aea5-341f-7be4-ad48-b965b7903a68 · 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-2026-000104146
StatusPUBLIC

Content hashes

Canonical textc0eff2a8af87d4de90529074a5f5506e4cd7318ab116d676e7713d18caa688b1
Markdown1a14f0c34c1938a1b16998e55d64099cb98cf637b0b402e710eed9565cfe5d84
PDF
Publication page0762a5745a94fa4c46716de56f100f49db4b5cb766dbcfb4c8fc8e87b1a74922
Manifestb230fc08d0abd99fd8fb838a868ac4567f0f5752114df562d4b9f91e7ab86ddc

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
SignaturediTAJMTF+zQoaxmTD38bl7wpV1yrArPNyCe2tE5pa33QysD3bEVUfDJIz2TARxjlnVVj+iUTr57LSy4sxVn3Dw==
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

2026-09-17T09:20:13.886259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104146
observed 0762a5745a94fa4c46716de56f100f49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:13.868806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104146/manifest.json
observed b230fc08d0abd99fd8fb838a868ac456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:13.849870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104146/publication.md
observed 1a14f0c34c1938a1b16998e55d64099c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:13.832651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104146/publication.txt
observed c0eff2a8af87d4de90529074a5f5506e...
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.