OpenTechnical

OT-2026-000041988

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000041988) never changes.

Identity and time

Publication numberOT-2026-000041988 · never reused
Internal UUID01a0ae79-e8a7-7961-a777-ba37d37d1c2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041988
StatusPUBLIC

Content hashes

Canonical textb0bd15b3694ee4e39bf76899702dd97c204c9a615eaeadf235cd6b2388f4ec0d
Markdowna3c00da89c1a1b3229ea338d8d216627720c4d58390d22137f9271efbd1a1875
PDF
Publication page85ca8d974943944c73149f40545f4fc023cf047d39d3f30e0ad4e89b13908b74
Manifest62753bdd22dddd5fe02d4bfe54ea85149f7b2452cdbf7d213fd1da2db286d5a8

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
SignatureB+qDXA5xHI+Y1/YF6KlE5k+TTzlP/5IZETvwm/snUzVFKjRF85b2XMhtmVCQzClEMS+0LQ0YwrrT+w3L9TfTDA==
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

2026-09-17T11:16:53.028925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041988
observed 85ca8d974943944c73149f40545f4fc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:53.011001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041988/manifest.json
observed 62753bdd22dddd5fe02d4bfe54ea8514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:52.992212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041988/publication.md
observed a3c00da89c1a1b3229ea338d8d216627...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:52.973549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041988/publication.txt
observed b0bd15b3694ee4e39bf76899702dd97c...
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.