OpenTechnical

OT-2026-000005386

Publication integrity record

Vacuum cup gripper, four zone face, 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-2026-000005386) never changes.

Identity and time

Publication numberOT-2026-000005386 · never reused
Internal UUID01a0a937-65a3-7106-877c-ca0dae7861ba · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:56:15.142550Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005386
StatusPUBLIC

Content hashes

Canonical textcefaaa373029775048c0ec266fff0cb13c560231658d95ef7460d779d29e5fff
Markdown226c9146b23f0681b014d8753d5c239b119c211faf46a900f65a6f9023337ab3
PDF
Publication page053355f072416e851ffee6d9ff8f5ba527b8fb03d9e0cbbdeaf9cc4bf5228381
Manifestc97fe787971b5d6b7a56d7215e556f18a5d52c74241ea549e4a40693676f0016

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
SignatureLn3AfDSNteLEYIaXetUNtASGbGvk++PxFrSbjJ6PNc6bI8l40afrWloEjyW2btphH7V7Qc9jW/Sse4N47iuVDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:15.472500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005386
observed 053355f072416e851ffee6d9ff8f5ba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:15.457777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005386/manifest.json
observed c97fe787971b5d6b7a56d7215e556f18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:15.440743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005386/publication.md
observed 226c9146b23f0681b014d8753d5c239b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:15.426850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005386/publication.txt
observed cefaaa373029775048c0ec266fff0cb1...
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.