OpenTechnical

OT-2026-000071405

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000071405) never changes.

Identity and time

Publication numberOT-2026-000071405 · never reused
Internal UUID01a0ae91-e0ed-76e0-90dd-61a9c3e30547 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071405
StatusPUBLIC

Content hashes

Canonical textd020b4895b2c6ec7eadb2612fa4ce3c946ade978f2af92311e51758fc2fb93d2
Markdown7e9e04387499de8fb8a6c3bdf76f3d3c76731996d695580357dfef8e560211a3
PDF
Publication page1e920da0d863e138e24b19e7ef8fa815cd6a4d2f2e4e0a70b4f35dff95d70734
Manifest0b31e1c602cb5b466b43fa82f04992693485b48093a80477c7bd96fbaae78226

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
Signature3AQbnnsHam0kcso6ieJIT5YwkXSsx2M8AGoga/GDlIb+BIKxp96S/UFTKbfX/HU+j/gGlsUmBfhC2bl6PMetBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:01.925036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071405
observed 1e920da0d863e138e24b19e7ef8fa815...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:01.907679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071405/manifest.json
observed 0b31e1c602cb5b466b43fa82f0499269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:01.893592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071405/publication.md
observed 7e9e04387499de8fb8a6c3bdf76f3d3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:01.877453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071405/publication.txt
observed d020b4895b2c6ec7eadb2612fa4ce3c9...
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.