OpenTechnical

OT-2026-000104273

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000104273) never changes.

Identity and time

Publication numberOT-2026-000104273 · never reused
Internal UUID01a0aea5-3420-733c-9779-63f46f1dfa76 · 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-2026-000104273
StatusPUBLIC

Content hashes

Canonical textd49ee941b1c6831339fce14e42184aaa5443d56cf2841ead36e5279e7e7f51e3
Markdown08689c8b193dd7e45c52b87a6b79edead2c18a953eade78846bce1abbfbdd134
PDF
Publication page1f35e6067024c91aa7a01b72218e14a0f8720c978eb4fc6b5ba7e1628f4d5e82
Manifesta32a0ccade6d662b9caf0ba29c0d5a3d559dbe75c99fb5a79dbb16371fc12d3f

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
SignatureEhwU/2z8J9T9iST732ShUyKvIyGcf1PrJU3VBzrZ5K3hGlJmd6SAAF6ckZQk/JLCdm6Y+WP58Ux2ah9y+Lj9DQ==
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

2026-09-17T09:20:23.319448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104273
observed 1f35e6067024c91aa7a01b72218e14a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:23.302090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104273/manifest.json
observed a32a0ccade6d662b9caf0ba29c0d5a3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:23.283870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104273/publication.md
observed 08689c8b193dd7e45c52b87a6b79edea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:23.247129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104273/publication.txt
observed d49ee941b1c6831339fce14e42184aaa...
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.