OpenTechnical

OT-2026-000025469

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000025469) never changes.

Identity and time

Publication numberOT-2026-000025469 · never reused
Internal UUID01a0ae71-5fa8-7344-bef8-6adbb418eb97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025469
StatusPUBLIC

Content hashes

Canonical texte315670e3a66b4d217b54b4129c48ab2484aed83459b2cf29c8ead25ef0f186b
Markdown04b1fe330732f3301c249294072566b99cc3273efdd688ef865ec8056bfecb32
PDF
Publication page740305a142ebf5757bf042fb297c79fbe0cd97e32f9d10d2f723456b25559ce9
Manifeste12d6f5837a7837a542b2244e8536edf0869f041355470ba9164b2c178abd8db

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
Signature4M5sLI7w42Y3nHYWlxySErsVE/3d4BRNTBOAe5QMYGX2F1NCtknaNKhVDfnXFTeFs9aYSjrWQiK8ZLzquFGoAQ==
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

2026-09-17T11:47:33.441578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025469
observed 740305a142ebf5757bf042fb297c79fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:33.420286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025469/manifest.json
observed e12d6f5837a7837a542b2244e8536edf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:33.401565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025469/publication.md
observed 04b1fe330732f3301c249294072566b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:33.377921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025469/publication.txt
observed e315670e3a66b4d217b54b4129c48ab2...
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.