OpenTechnical

OT-2026-000023169

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000023169) never changes.

Identity and time

Publication numberOT-2026-000023169 · never reused
Internal UUID01a0ae70-7267-7ef5-9f7c-f77f3c1e40a5 · 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-2026-000023169
StatusPUBLIC

Content hashes

Canonical text392c1054a6d906f1ac4be686bae245d92d279a6cf0ace41824d05ffc6f21d71b
Markdown99c86cbde985876d20448026e42b636b7b6b899df0db9842808042755a0d9289
PDF
Publication pagecc59c331e6128bdc3d885d7544615720c4e28e41bd2d7884b08b7c42bf4807e9
Manifestc78d2d282ba3f7434b49c05157baf292d1ca23c862f8badded6769f51b9ba7d0

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
SignatureAIVe5Coxc8ZSW15o4jNUx1qGJsx6PT5nwDaABIVRk6PjaoWHDdaB7WfI2hUTKzuzQlR8Dnij55HuPY/A0GELDw==
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

2026-09-17T11:51:06.773180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023169
observed cc59c331e6128bdc3d885d7544615720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:06.756178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023169/manifest.json
observed c78d2d282ba3f7434b49c05157baf292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:06.739423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023169/publication.md
observed 99c86cbde985876d20448026e42b636b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:06.721934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023169/publication.txt
observed 392c1054a6d906f1ac4be686bae245d9...
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.