OpenTechnical

OT-2026-000019837

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000019837) never changes.

Identity and time

Publication numberOT-2026-000019837 · never reused
Internal UUID01a0ae6f-1fb5-7e1f-9215-31507fe5f20e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019837
StatusPUBLIC

Content hashes

Canonical text82c67f6de179edb9f9370bb7eb6f802920f91613e2441a377b76ef315867d769
Markdown7d1e5d831dd67811eeb9ab4626c75127e88e612e862bef2fc96b790698e66442
PDF
Publication pageb9002bad3056462bb143f9f659abd4c78cc08a1ffb7312d9e7fc95a4d33a16bd
Manifestd614ee755cac58ccf2024a2b305280faa4aff35ba884e49db134ccb50aba15bf

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
SignatureasA5oZgTyqBCyFRGPNNd1+kbn/kbrHYBLYFI1ahoAoZtSalSj6dRAjSVdt1cGzSAn6WtLBSZtqzqXTg6I9j+CA==
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

2026-09-17T11:58:01.960944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019837
observed b9002bad3056462bb143f9f659abd4c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:01.942231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019837/manifest.json
observed d614ee755cac58ccf2024a2b305280fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:01.924321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019837/publication.md
observed 7d1e5d831dd67811eeb9ab4626c75127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:01.906359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019837/publication.txt
observed 82c67f6de179edb9f9370bb7eb6f8029...
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.