OpenTechnical

OT-2026-000021345

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000021345) never changes.

Identity and time

Publication numberOT-2026-000021345 · never reused
Internal UUID01a0ae6f-865c-79f8-830f-939d92b21c98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021345
StatusPUBLIC

Content hashes

Canonical text1068de29c4bd43af5f4d3a5227f42e384af3f874df2d7c988d69784270d7ce17
Markdownfeccd221c20cad63d021d3c6e49680c0649003a5c9b69ec8dc71155684feec77
PDF
Publication pagef4bee28fff4bd7a5024984e1071d8098a36aa2b0b314eaad771ea0f5a6585be1
Manifestf9a996d5d20e103fed3c7b8c351ffd40bf252e6ec6c22f8536829d3499ab5cf5

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
SignatureMiF58JCDlt/LxoNKysYivxS4jPjOa0bG8PwM8omRwQLMBjsLi3bckDU1zTJ5UsChvNxU+VzkDsXUDGD05BHkDQ==
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

2026-09-17T11:55:11.941256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021345
observed f4bee28fff4bd7a5024984e1071d8098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:11.922649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021345/manifest.json
observed f9a996d5d20e103fed3c7b8c351ffd40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:11.897570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021345/publication.md
observed feccd221c20cad63d021d3c6e49680c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:11.878650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021345/publication.txt
observed 1068de29c4bd43af5f4d3a5227f42e38...
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.