OpenTechnical

OT-2026-000004655

Publication integrity record

Vacuum cup gripper, per zone isolation, two 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-2026-000004655) never changes.

Identity and time

Publication numberOT-2026-000004655 · never reused
Internal UUID01a0a91f-0694-7048-a51e-6f286d8801ee · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:29:37.943762Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004655
StatusPUBLIC

Content hashes

Canonical text2d11c0a837cfad87bbc49e4480c04467b5986fcc24d00a26c99d2d3ec6d23a36
Markdowna04c463f5a6e4f39b13bb4e9cc5657e5dff90ae4ef3cbe0dbd99eb21d8408826
PDF
Publication page2137f36058878cfecaedbb5e3dc85978d153c89af85ca63d8f0d20e9da46ebe2
Manifest5e4a33c2d12d660225de2d435b1e1773048ebec0ee733bef50160bdf5b12d3c4

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
SignatureMwqZjxIBEK8Vp6HNKRvA/TBrM+LW7r/7uhJ+wT4J774yh9n5kgVqdqh5VJVMZ1NWXMZpYVbpgIULlWuY1tzAAQ==
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

2026-09-16T07:30:04.127073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004655
observed 2137f36058878cfecaedbb5e3dc85978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:03.989216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004655/manifest.json
observed 5e4a33c2d12d660225de2d435b1e1773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:03.976373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004655/publication.md
observed a04c463f5a6e4f39b13bb4e9cc5657e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:03.963488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004655/publication.txt
observed 2d11c0a837cfad87bbc49e4480c04467...
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.