OpenTechnical

OT-2026-000026405

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000026405) never changes.

Identity and time

Publication numberOT-2026-000026405 · never reused
Internal UUID01a0ae71-f4a7-73d1-83aa-107a785291a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026405
StatusPUBLIC

Content hashes

Canonical text4004a51bd229e915ecfffdea6d4a31c28d45694a35fbf11f78388b482a8646c2
Markdown67fda57a41bb09a49b219862faf37a6b910bf4f331b3a29dbff5c8c2a9862ee4
PDF
Publication page0034dcc7eb370fa27dbbc5f9e83f10a3d3487e31a4a2d3efa20d739e2ced5156
Manifest80bc86c5fff160b9117ff7d273ff4c0a4e5978e2aea12d3b3fdda54b54f9e3e2

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
SignatureyYaT3n7epaNsbYYcvTIsEQPZHWKrBf1aSZjMvXZbuyXrLOmLnTiGuBjOu2vnvYqtBLHbagA0y7om1TBVIB7NCg==
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

2026-09-17T11:44:23.483054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026405
observed 0034dcc7eb370fa27dbbc5f9e83f10a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:23.467341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026405/manifest.json
observed 80bc86c5fff160b9117ff7d273ff4c0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:23.452193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026405/publication.md
observed 67fda57a41bb09a49b219862faf37a6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:23.432918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026405/publication.txt
observed 4004a51bd229e915ecfffdea6d4a31c2...
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.