OpenTechnical

OT-2026-000004859

Publication integrity record

Vacuum cup gripper, three outlet manifold, ejector 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-2026-000004859) never changes.

Identity and time

Publication numberOT-2026-000004859 · never reused
Internal UUID01a0a925-9e17-73d6-bcee-5707637c16ba · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:36:49.945788Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004859
StatusPUBLIC

Content hashes

Canonical textf98ea83c464b3a89eeba90c070f66f25755657b84e995d1690c4f3a1fa7e0e81
Markdownbdb306de9a85b4fde9d0d8fe34ebcc10f0548bf312d7ff827ab5a202b233abe8
PDF
Publication page709861c7c470ec881ca80eab8937d7dc3bd0207fed992988931499d55b4627f4
Manifest73a8a23985c2f562534d8b7bd80aac67bc98a61a3548d110314c3f1d19cbc7be

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
Signature8Wv/OTYLHTE2GtPDuuYoeEfts4bHRXlMU2atnWrMxNpg9upWWUtYjmIbfbW2VDjLTfQC8btqjIAW89NDhYBxAw==
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

2026-09-16T07:40:11.385619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004859
observed 709861c7c470ec881ca80eab8937d7dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:11.372505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004859/manifest.json
observed 73a8a23985c2f562534d8b7bd80aac67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:11.238041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004859/publication.md
observed bdb306de9a85b4fde9d0d8fe34ebcc10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:11.226294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004859/publication.txt
observed f98ea83c464b3a89eeba90c070f66f25...
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.