OpenTechnical

OT-2026-000004332

Publication integrity record

Vacuum cup gripper, three outlet manifold, ejector fed, pressure verified, contact triggered

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-2026-000004332) never changes.

Identity and time

Publication numberOT-2026-000004332 · never reused
Internal UUID01a0a914-46c2-74e0-b793-bb5e6fa7c760 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:17:53.477069Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004332
StatusPUBLIC

Content hashes

Canonical textf5d9ff268b60a120588684fa115f0c4d049429ddf4f5f851c323581fbdc90a26
Markdowncc3045606f73164ab7260376fb706d77d051a50a5d75daad9133faae300704b9
PDF
Publication page7eb0358901039eceb94fe77fece5e3052018fd82ad3cac76c7fd46e2ca63fa5e
Manifeste9c8d730b89b8a5b96a6031cc0881bdf3130cf055e0d8c3447c5f13266679415

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
Signatureq2bFu+CCOvmz9k0BcfXvpXL0u3tKiCvkBx1yIlreCTLs+fJG1UpDUXU+fZl3yrVT9Vdx9XlKYE0hFkE8AId6Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:20:09.914210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004332
observed 7eb0358901039eceb94fe77fece5e305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:09.900125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004332/manifest.json
observed e9c8d730b89b8a5b96a6031cc0881bdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:09.886359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004332/publication.md
observed cc3045606f73164ab7260376fb706d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:09.871915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004332/publication.txt
observed f5d9ff268b60a120588684fa115f0c4d...
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.