OpenTechnical

OT-2026-000004846

Publication integrity record

Bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure verified

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-2026-000004846) never changes.

Identity and time

Publication numberOT-2026-000004846 · never reused
Internal UUID01a0a925-2fb5-732b-8f24-d92d85f0bcb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:36:21.687799Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004846
StatusPUBLIC

Content hashes

Canonical text6a8b930a04331f1f41693dd9d2e362a55b27c5327c56e540fb968461cf7f9965
Markdownc29945ea0f9d991c6a1f54de353a7d347820042208b91353fd00821a27b18a90
PDF
Publication page247dc5ef30a208a7b7c1b2f5082b35b22a85bc73dafe55c62ead676252190321
Manifest8e28247199cab5f90f5563e91ed47a9265dfaa61203c45c97878a86c366c0928

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
Signature+e6UvpsNDK3JxVLqbKE8aMFLSZvTq4tLhdcd8McJrYQrcEPUvPQPyjBp+3ywav8jk+AhC/yYOUliyzDWYt76Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:12.702014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004846
observed 247dc5ef30a208a7b7c1b2f5082b35b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:12.690535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004846/manifest.json
observed 8e28247199cab5f90f5563e91ed47a92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:12.676570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004846/publication.md
observed c29945ea0f9d991c6a1f54de353a7d34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:12.663560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004846/publication.txt
observed 6a8b930a04331f1f41693dd9d2e362a5...
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.