OpenTechnical

OT-2026-000022832

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000022832) never changes.

Identity and time

Publication numberOT-2026-000022832 · never reused
Internal UUID01a0ae70-46ea-7c37-8096-7295e01d8698 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022832
StatusPUBLIC

Content hashes

Canonical text630892b8c88e16ead6c4692d683d4e9a87beda5ad417d71c5072c8126d9331c6
Markdown0fcf43af5e76d7f99fdad13192763f02e7193c70f5d81fc0befdfd681946c51f
PDF
Publication page2454589c1a9d64f2813dbe218ea3fbe4137b64dea42fe581c4dcb4f39e22d87f
Manifestac4480b1840140d58d1d502e25be04da509c4ec84c0d89b204fc45aa42e6f273

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
SignatureivKe5rPGoK6Es9dH6SQtDlzw9vT3PHUf0hKel673q2bWsGmcxIsD3IMA4MYf3JnPOFQdG60EIFfURU8dTbkUDw==
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

2026-09-17T11:52:21.932671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022832
observed 2454589c1a9d64f2813dbe218ea3fbe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:21.914351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022832/manifest.json
observed ac4480b1840140d58d1d502e25be04da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:21.895002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022832/publication.md
observed 0fcf43af5e76d7f99fdad13192763f02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:21.876424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022832/publication.txt
observed 630892b8c88e16ead6c4692d683d4e9a...
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.