OpenTechnical

OT-2026-000013124

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000013124) never changes.

Identity and time

Publication numberOT-2026-000013124 · never reused
Internal UUID01a0ae6d-6fc8-745c-9045-b7aad08f3845 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013124
StatusPUBLIC

Content hashes

Canonical textf932da47b9f045c5bb4bde9331604e89a1bc2d2b67751169995a4e6e9d626d37
Markdown69624ab53af5e7bff3b2868ed51b22fc138f241f245e6d86972c375da57a12fc
PDF
Publication page07b22153a2d6e63fabe7e5a7149360b3a296ace6e6b030d70df0a87bd67dd57a
Manifest36b1c3a6780b05a600c14931d29897b70bd73ebac5bbd82e5c0acbd1744b72b9

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
SignatureEuazFz4JbnnwtaJP0PFZ9iGr/GXaYfyUn6dPEdMeRdgcbYjptmiR0TXMMjwSvH2sMctEwD/K5oeCQ8JPRGy3Dg==
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

2026-09-17T12:09:24.812711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013124
observed 07b22153a2d6e63fabe7e5a7149360b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:24.793884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013124/manifest.json
observed 36b1c3a6780b05a600c14931d29897b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:24.775693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013124/publication.md
observed 69624ab53af5e7bff3b2868ed51b22fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:24.755285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013124/publication.txt
observed f932da47b9f045c5bb4bde9331604e89...
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.