OpenTechnical

OT-2026-000003651

Publication integrity record

Vacuum cup gripper, two zone face, per zone isolation, three stage ejector

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-2026-000003651) never changes.

Identity and time

Publication numberOT-2026-000003651 · never reused
Internal UUID01a0a90a-a4bf-7724-803e-3beaee5741e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:22.178187Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003651
StatusPUBLIC

Content hashes

Canonical text074718ff4cd53d97cf7aa8198a52c3056b6e9c000c50509cad969f692ef1c02c
Markdown27e7c5b4eef536bd60d1de2f59291ac8cb77006958a9ba0f4a71a9e5fb21e28d
PDF
Publication pagef2f1628dddc2faf75c28cd25baf98c40cd29966fb64416eba63c361d922fa66d
Manifest52451f4cb436944f5435b578b8ed1e89e1e59eb16749762c749e81d7d72d474b

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
SignatureYGEz3Eww/A7EnDG/4VSihGwHDHgwYBXKZ2YLs4QxLv1KNBl5z7wO997BTKjggElB+2KfpM8UCIHmNAciP5FNBg==
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

2026-09-16T08:20:37.720965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003651
observed f2f1628dddc2faf75c28cd25baf98c40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:37.705941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003651/manifest.json
observed 52451f4cb436944f5435b578b8ed1e89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:37.691170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003651/publication.md
observed 27e7c5b4eef536bd60d1de2f59291ac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:37.673123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003651/publication.txt
observed 074718ff4cd53d97cf7aa8198a52c305...
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.