OpenTechnical

OT-2026-000034029

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000034029) never changes.

Identity and time

Publication numberOT-2026-000034029 · never reused
Internal UUID01a0ae75-df0c-7cbb-ab3c-abc3e27ffc23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034029
StatusPUBLIC

Content hashes

Canonical text9be9d4a11b89ff1cf14a185e5253ce1c995519f4249d776c73d71d91688107c2
Markdownd3121404d4014221e5732a8d63cf5c1a6bdb5b6b6ccb76b305896390854e2a31
PDF
Publication page9f833e9a598bdada8c67371ce5e62821333a497c4811568f6834b5689dcd54e6
Manifest6f41954ef632b3aa3dbfa4085819c5e770e4da90833ea3f00daa51893b40b8f5

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
SignatureOdJqy42Ogu9z1iCQkThdlayOqrt+GNXGLBCOZW3t6CbnXeEfUNBdzyhVZYKGTdk7QFrtO/yTyVHqqLu0lqgDCA==
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

2026-09-17T11:30:15.495017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034029
observed 9f833e9a598bdada8c67371ce5e62821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:15.475105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034029/manifest.json
observed 6f41954ef632b3aa3dbfa4085819c5e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:15.457006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034029/publication.md
observed d3121404d4014221e5732a8d63cf5c1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:15.426682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034029/publication.txt
observed 9be9d4a11b89ff1cf14a185e5253ce1c...
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.