OpenTechnical

OT-2026-000022107

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pulsed 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-2026-000022107) never changes.

Identity and time

Publication numberOT-2026-000022107 · never reused
Internal UUID01a0ae6f-f4fb-76cc-9f0d-b86c403a74fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022107
StatusPUBLIC

Content hashes

Canonical text4986946ccc1fff6b78cdf9830b3f3c22b19e9aed2976abb0a257ca3e8b87bb13
Markdowndf5baecd2be4f246da04be00769a5e6bf7706cbed5a816221a60ff54eb6e0ae5
PDF
Publication page2ede473b31b6e668f488257fd1a210a6c9944d8ed83978475c4e239b8a033b72
Manifest6412e6256e737dcc96153787cf97009824665c80d752a7e8869131c36bd41b7d

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
Signature36cO/e5uHYCKUOOuvwouAuw7VbUTNoBDXH/knb5MoDHNbuNThjgw5a5qus2Ec9bMo8mB+dB1zmaMhn9yyxsYBg==
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

2026-09-17T11:52:46.628264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022107
observed 2ede473b31b6e668f488257fd1a210a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:46.610990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022107/manifest.json
observed 6412e6256e737dcc96153787cf970098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:46.594673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022107/publication.md
observed df5baecd2be4f246da04be00769a5e6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:46.576715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022107/publication.txt
observed 4986946ccc1fff6b78cdf9830b3f3c22...
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.