OpenTechnical

OT-2026-000003856

Publication integrity record

Bellows cup vacuum gripper, four zone face, three outlet manifold, plant vacuum 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-2026-000003856) never changes.

Identity and time

Publication numberOT-2026-000003856 · never reused
Internal UUID01a0a90b-43ff-7e72-a926-4776f6f8aec1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:02.946577Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003856
StatusPUBLIC

Content hashes

Canonical text3e96b557bb0a416623d6647db2991d12e9b6e7503a53cf1c5a9d3e8cce9b03d8
Markdown008cbb24d8025997132cbd8270c25562ec14f3e2842244946d8aca102dbdf3a5
PDF
Publication page8913228cdfd91e0f43d64ed5f439e90866c95d01475661dc151986177c05ddc4
Manifest6e749fedce8634e5a15c74aafe12833766a3f08e3a089a5848bc54cb2a950ca3

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
SignatureXakBidIYOG0RX3ISeRHJ/DGApn3FZNc72js9msDkcF8QAURhT86gI5fiNiwL0hrnwwj0xMhK0XENI/VPuQdbBw==
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

2026-09-16T07:10:16.251687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003856
observed 8913228cdfd91e0f43d64ed5f439e908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:16.237283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003856/manifest.json
observed 6e749fedce8634e5a15c74aafe128337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:16.222441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003856/publication.md
observed 008cbb24d8025997132cbd8270c25562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:16.208964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003856/publication.txt
observed 3e96b557bb0a416623d6647db2991d12...
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.