OpenTechnical

OT-2026-000104173

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000104173) never changes.

Identity and time

Publication numberOT-2026-000104173 · never reused
Internal UUID01a0aea5-341f-7e59-80c5-7e44fe3fbdcb · 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-2026-000104173
StatusPUBLIC

Content hashes

Canonical textc405c06fd582ed7e1291739a309f160475835b86b2aef7cf0cf96b9c0f8cf9d5
Markdown39d7b0ca46714117a124a3c02cbf7f59c998cef0e8d3c1d3b14ed7df1afc3830
PDF
Publication paged6e6e5f7d1b8c577514ea9c0e937eab5f0af151dddd1d837e48f72504d8d4b4a
Manifeste93f72a7aced919f1eeabf144238cd815a326bd24fa5bc6973d26f6363ce883c

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
SignatureRHFBqpEokdRJZ+FFBmS21tbBPoQBP/ZsEgh2yfpls+RxKVfDzoUaf4TXhALrPT20htQsIs8fIRZLgIxGoalpBw==
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

2026-09-17T09:20:15.868393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104173
observed d6e6e5f7d1b8c577514ea9c0e937eab5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:15.848305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104173/manifest.json
observed e93f72a7aced919f1eeabf144238cd81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:15.829657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104173/publication.md
observed 39d7b0ca46714117a124a3c02cbf7f59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:15.812837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104173/publication.txt
observed c405c06fd582ed7e1291739a309f1604...
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.