OpenTechnical

OT-2026-000005000

Publication integrity record

Vacuum cup gripper, two zone face, plant vacuum fed, contact triggered, vented after set down

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-2026-000005000) never changes.

Identity and time

Publication numberOT-2026-000005000 · never reused
Internal UUID01a0a92a-90e6-7b15-bf5e-7b1121aae388 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:42:14.248432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005000
StatusPUBLIC

Content hashes

Canonical text4b03e83cc71e367aa7bac0755f4dd7facec8bb88b7aeda59f11f617d900861f5
Markdown8f059d5ac81f825325ef2456c0dabaa6c8f60e85043160f8e900b25bbae30c98
PDF
Publication pagea27bd5e67ed32a2ab57c2cd0f5673ab802ed8a670bf7baa723ba62384809a6d7
Manifeste671d81039a7e2fe6dc94960a9e675b7f66c0ca307aa07dbb8d4cf1812e954a1

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
SignatureFT85sabP0TBiJz3FSX4mWCnjaB1asdoVnEDA++ZURLjODjPdzQP+jwH/PZkXWz9DTvd/vPnERunwYAcIQ6jFCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:26.417039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005000
observed a27bd5e67ed32a2ab57c2cd0f5673ab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:26.403967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005000/manifest.json
observed e671d81039a7e2fe6dc94960a9e675b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:26.391321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005000/publication.md
observed 8f059d5ac81f825325ef2456c0dabaa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:26.378487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005000/publication.txt
observed 4b03e83cc71e367aa7bac0755f4dd7fa...
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.