OpenTechnical

OT-2026-000004302

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, two outlet manifold, ejector fed, 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-2026-000004302) never changes.

Identity and time

Publication numberOT-2026-000004302 · never reused
Internal UUID01a0a913-6df1-7cb0-b74b-269864f1d469 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:16:57.971925Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004302
StatusPUBLIC

Content hashes

Canonical textaaf43826438261c62ab7319bfbbde0cec8468354519b7c29074d055ba191d38b
Markdownaaf7f9ba168475eb3258fa5ad5453b7d7051602bee759606a4bdd542ace7ca64
PDF
Publication pageeea3227333c9fac6c694e2bd90f05d843d38e06e6645e1103535f13be6600938
Manifest1ce698bfc9e6189649c435b9ade2caf202c7a5638d89c096d95626e322b4788a

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
Signatureqhkn0AXEnmZXcRkNwWv7uI7IkvSgS3iUndCrtSq7775Mzh2YIeQEEhTnwl3qxsjVLuqQavSXfB/Jm3OGEUP0CA==
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

2026-09-16T07:20:13.214764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004302
observed eea3227333c9fac6c694e2bd90f05d84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:13.201811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004302/manifest.json
observed 1ce698bfc9e6189649c435b9ade2caf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:13.188982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004302/publication.md
observed aaf7f9ba168475eb3258fa5ad5453b7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:13.169628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004302/publication.txt
observed aaf43826438261c62ab7319bfbbde0ce...
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.