OpenTechnical

OT-2026-000045525

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000045525) never changes.

Identity and time

Publication numberOT-2026-000045525 · never reused
Internal UUID01a0ae7d-8f01-7e45-ae72-6498aecea9f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045525
StatusPUBLIC

Content hashes

Canonical textf9ca781a01036b08211db8232e486b55477a86589bbec24faa0dd3c1954f89c7
Markdown79e5aa9e575ddaa28691ca1c54fbf5fbbb5886e445dadbc9e169ea8f07bf63f1
PDF
Publication pagefedc608fbd9da0d5b961ace9dd7dddf59231b86a32a4452c8192471e993aabc1
Manifestce1518dbc92ae1c21f684754ddaaf6f7204a0567410c7545df17677d50a7210c

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
SignatureY1gfIz+bNI8/Ytcb8HfBiifZZWyP36sdZzCihAfxNOaMHZliYS5GzK4FhFISBMa7bgm5Wmt0r5uXsa83Vh3bCA==
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

2026-09-17T11:09:16.161333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045525
observed fedc608fbd9da0d5b961ace9dd7dddf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:16.144005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045525/manifest.json
observed ce1518dbc92ae1c21f684754ddaaf6f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:16.126120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045525/publication.md
observed 79e5aa9e575ddaa28691ca1c54fbf5fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:16.107214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045525/publication.txt
observed f9ca781a01036b08211db8232e486b55...
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.