OpenTechnical

OT-2026-000022400

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000022400) never changes.

Identity and time

Publication numberOT-2026-000022400 · never reused
Internal UUID01a0ae6f-f4fd-7390-8158-a814ecb79571 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022400
StatusPUBLIC

Content hashes

Canonical text8d097bdc0ecbff98b07ac5e2cd8a81f6726cfa0c8bc6f77ac5db7e05ed301ea7
Markdown0864ee769ffcd4de6a5fe4fd7f76a8dd9175e2a36f910208d735150948fed0af
PDF
Publication page9eec09525af4f37298d06f9b7f1ec17e375b2e421ff0b9ef00bb9ca467f92722
Manifestdfb4ebbc3d30b81ed73ab2b478cee39e056d8ceaccad8befeff15ff92c9af1ce

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
SignatureH1VlgDvGorPEuhUjYb2xb8R825o6Km28lKOyPI8Xfs94xSrFoWEzS90BbLp7paK+tTExSUKWdzGwj24/OaUvAA==
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

2026-09-17T11:53:47.055785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022400
observed 9eec09525af4f37298d06f9b7f1ec17e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:47.037376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022400/manifest.json
observed dfb4ebbc3d30b81ed73ab2b478cee39e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:47.017815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022400/publication.md
observed 0864ee769ffcd4de6a5fe4fd7f76a8dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:46.996984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022400/publication.txt
observed 8d097bdc0ecbff98b07ac5e2cd8a81f6...
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.