OpenTechnical

OT-2026-000015640

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000015640) never changes.

Identity and time

Publication numberOT-2026-000015640 · never reused
Internal UUID01a0ae6e-0c4b-735c-a570-dbed7aa5dd78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015640
StatusPUBLIC

Content hashes

Canonical textc5254d61263f80554ad4e32e5ece8d6e75ea5b3cadc177d2bc62c820cc884070
Markdown1fd705c80169ee9ef4ae974502b8fc95e76635c10650ee9a7fd334046f4d5a89
PDF
Publication page5409f0d18fc8a19c78f0e64899c796045040852d54c2fdc2a106cf1e124c2790
Manifestefb035992b728ae5e5f3acc922c86905cb19d801e962c92da8eb2467a2d31634

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
SignaturebcOlTm73w/ocGVlK7twfv+YUhlGGR4l83jT7+dS4NfEyhXHtftTHSXCMWFDcDnPeDBWBEwAgfkbkR1wLsQufCA==
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

2026-09-17T12:04:53.814780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015640
observed 5409f0d18fc8a19c78f0e64899c79604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:53.795848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015640/manifest.json
observed efb035992b728ae5e5f3acc922c86905...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:53.777524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015640/publication.md
observed 1fd705c80169ee9ef4ae974502b8fc95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:53.760963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015640/publication.txt
observed c5254d61263f80554ad4e32e5ece8d6e...
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.