OpenTechnical

OT-2026-000078625

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000078625) never changes.

Identity and time

Publication numberOT-2026-000078625 · never reused
Internal UUID01a0ae95-7c2a-76da-b14b-d045fa057529 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078625
StatusPUBLIC

Content hashes

Canonical texte1aad8f1811fb63afc4c468cfb1056aa21afff992784f180144eb4bd097e4f3c
Markdown812b3f206bb21d59de6e28a5e0a9bd40821f1b39898d4340c81ad79491400306
PDF
Publication page1d8731dbfb595e7b0c8445dab58cc5c58bb1f2ee069a0f0bf9b438df6ed4ba52
Manifest256371d78d3ac2341879dfb880529599da2664d4e450ce954e9382fa3bfa6272

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
Signaturen7+pNdOJBkP3k3aaLKophc7PuUEDWMTdLo5NJ8qp77wxfE5U6ld/b57tp/DBKjTiYAIX3qq5tq7mpvMRaNF+CA==
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

2026-09-17T10:06:39.749819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078625
observed 1d8731dbfb595e7b0c8445dab58cc5c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:39.730797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078625/manifest.json
observed 256371d78d3ac2341879dfb880529599...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:39.712855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078625/publication.md
observed 812b3f206bb21d59de6e28a5e0a9bd40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:39.694054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078625/publication.txt
observed e1aad8f1811fb63afc4c468cfb1056aa...
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.