OpenTechnical

OT-2026-000095023

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000095023) never changes.

Identity and time

Publication numberOT-2026-000095023 · never reused
Internal UUID01a0ae9f-2df0-7c06-a0b4-3c304f70e52e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095023
StatusPUBLIC

Content hashes

Canonical text4f50a2dd5f9d3e91a66d34ac5cd8325a7bbe5212ff392481882dbafaf16c0a22
Markdown15a50d3c43c5a925f77073068ade32de05f8bdc61b00c9bca4113de4d1e2e500
PDF
Publication pageeb0a3c47efc47925d306d9900eba592fc7c549b9759a220bad254d8fef92f75b
Manifest79dbb6119ef12f62cd52bf62fb0d509cb6959f104431efa5f74dd1aa364b71a3

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
SignatureADQ8YoQzitmXbJyWkWCBWTfCkf6DXmF3SJI/1XNcm232WrnraNemuTGWryW2qyS3qcZCJriQfWwJxWzy+oweCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:34.957749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095023
observed eb0a3c47efc47925d306d9900eba592f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:34.941628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095023/manifest.json
observed 79dbb6119ef12f62cd52bf62fb0d509c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:34.924102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095023/publication.md
observed 15a50d3c43c5a925f77073068ade32de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:34.908747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095023/publication.txt
observed 4f50a2dd5f9d3e91a66d34ac5cd8325a...
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.