OpenTechnical

OT-2026-000019020

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000019020) never changes.

Identity and time

Publication numberOT-2026-000019020 · never reused
Internal UUID01a0ae6e-d523-70a8-b7be-a7b55484bbd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019020
StatusPUBLIC

Content hashes

Canonical textdfc78a5b21e50930a85a65bcffba5d0620dee441f79e5d4e3312f11fd8d8344b
Markdown8cd9527ef7b029141923d1b46291211e5c822b3cb5acd38cccefcd1fbc8e9c35
PDF
Publication page0e8a2ef42cef62c6455f67c32115de24e43ba02e786d1dbbc3198a2a7ae977b7
Manifestd97887d350aa7f821318a130b52e484d457b5c2976bea88cc0862841ac13cf27

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
SignaturekJZshv3ul6A3Nu+aY0XAhPjc7TnxD1SA8UbRdUHYtAa1vX063jiy+4SdCT6F9C8vIb4S9EZAQTYiRR3lQrZACg==
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

2026-09-17T11:59:42.643503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019020
observed 0e8a2ef42cef62c6455f67c32115de24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:42.624576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019020/manifest.json
observed d97887d350aa7f821318a130b52e484d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:42.606620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019020/publication.md
observed 8cd9527ef7b029141923d1b46291211e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:42.577518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019020/publication.txt
observed dfc78a5b21e50930a85a65bcffba5d06...
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.