OpenTechnical

OT-2026-000051043

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000051043) never changes.

Identity and time

Publication numberOT-2026-000051043 · never reused
Internal UUID01a0ae82-c7b5-7a59-8d6d-031e87e78cc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051043
StatusPUBLIC

Content hashes

Canonical texte3f871b025163878e2d3da29c21e766d7a7cd116eb63b944d9cbbf43e579369c
Markdown93c0fc70bc80c3ba9bfe84fc6ff2656f2619f9fe04c3b73c476fe4f564286b52
PDF
Publication page6d8764c83028d439c1c62b8b82fff66ece1a98295fd5a1f94c182e459e77f047
Manifest59b89eb2e21281272dfe9d1063402baf8e47c1206a3bca0775a4a8838178423f

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
Signaturehprgqiioo1MfJcOGLJBTNflrb0QWnTO4immUAtzPFlVJdIk7tIjSZOrBypEay4qmvFYoQ+l+JvnS5Aza04qbBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:00:57.404868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051043
observed 6d8764c83028d439c1c62b8b82fff66e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:57.384545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051043/manifest.json
observed 59b89eb2e21281272dfe9d1063402baf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:57.366386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051043/publication.md
observed 93c0fc70bc80c3ba9bfe84fc6ff2656f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:57.349389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051043/publication.txt
observed e3f871b025163878e2d3da29c21e766d...
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.