OpenTechnical

OT-2026-000069141

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000069141) never changes.

Identity and time

Publication numberOT-2026-000069141 · never reused
Internal UUID01a0ae90-6dcf-7081-a9e6-2b796ad20484 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069141
StatusPUBLIC

Content hashes

Canonical text852e29064e2d6e6466032de0aff9e4c7ce152db33776165e3625f708334b39f3
Markdown613e3b40690846db43a2d89e595aa7459a7658979cdb2a6a3d00cf20e54d6e0e
PDF
Publication pagea1a6cf3c7c2d3e377690b39b59aa2ce9772e269edae2ad2421eec1633f96b886
Manifestf2dbcc0c7f49a2559a5d7fbf23c40ba2da4624de461976784062ddbcf2d4f866

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
Signaturep7Yv5OJCamTLBOayvcBIXe7JoRxhMx7nwNON7oyFlblgdHhQNtxgkQYjOiKzhws4wqCPzaoqEXLUS2OE+wDPBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:01.527949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069141
observed a1a6cf3c7c2d3e377690b39b59aa2ce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:01.510158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069141/manifest.json
observed f2dbcc0c7f49a2559a5d7fbf23c40ba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:01.492345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069141/publication.md
observed 613e3b40690846db43a2d89e595aa745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:01.475446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069141/publication.txt
observed 852e29064e2d6e6466032de0aff9e4c7...
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.