OpenTechnical

OT-2026-000071047

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000071047) never changes.

Identity and time

Publication numberOT-2026-000071047 · never reused
Internal UUID01a0ae91-8c2e-7f23-9931-7a46448893b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071047
StatusPUBLIC

Content hashes

Canonical textfa65f1d9af7098e85e8d3a441fba1a5910d568cd1e882c8f7289a80db2cb0951
Markdownf35ee8a625d613339890100720d16594f79fded22e72fc631ad2129ecee4bd99
PDF
Publication page8bf71b5d2b02ad9001b6c9999fa749c257ff11cd09975c66e0822245a8269b51
Manifestc64c2fd0d9285e4bded41a04afe57b6fdf49204f61d9ca3daa5dc403f31f6235

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
SignatureL9Y+DBinExSGnp3rc1+vDR91ioFVJph0pSim5GLBQpjVot0UlMbxsVVVN87nJ7gEQXsEdVrEsFA351JAhCbSCg==
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

2026-09-17T10:25:54.207873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071047
observed 8bf71b5d2b02ad9001b6c9999fa749c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:54.192024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071047/manifest.json
observed c64c2fd0d9285e4bded41a04afe57b6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:54.175509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071047/publication.md
observed f35ee8a625d613339890100720d16594...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:54.158332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071047/publication.txt
observed fa65f1d9af7098e85e8d3a441fba1a59...
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.