OpenTechnical

OT-2026-000007274

Publication integrity record

Vacuum cup gripper, three stage ejector, contact triggered on the face, rubber cups, oval form

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-2026-000007274) never changes.

Identity and time

Publication numberOT-2026-000007274 · never reused
Internal UUID01a0a978-ee5d-755d-9485-6a4a4582faf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:07:49.984593Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007274
StatusPUBLIC

Content hashes

Canonical text2b97c41793a09f1e1570ab904a3a7bc50d76c08be54be54b4bcc14bd010d111e
Markdowne6049266456becd16eff3ca8b516ea8dd98291b82869e01e810c7d6e481549e0
PDF
Publication page4085d142a92f9042412bd1f107700ae77a34853d7322355ccb5955ba613f1ec3
Manifestaeb36a8ed42ea859719c9785e1679a1df712575f9eb497ecced9dbbae537b3ba

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
SignaturepVhnXKfQ4wg8uWrIZI2mgzlN/xPucM1SsDpfWtQBAZhn2jO2jxQ004XTaRhkhbuvUthwjJrQgXEi2aZRaSj7Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:10:08.972622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007274
observed 4085d142a92f9042412bd1f107700ae7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:08.958030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007274/manifest.json
observed aeb36a8ed42ea859719c9785e1679a1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:08.944992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007274/publication.md
observed e6049266456becd16eff3ca8b516ea8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:08.933295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007274/publication.txt
observed 2b97c41793a09f1e1570ab904a3a7bc5...
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.