OpenTechnical

OT-2026-000041676

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump 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-2026-000041676) never changes.

Identity and time

Publication numberOT-2026-000041676 · never reused
Internal UUID01a0ae79-e8a0-7f2e-a6ad-b3c4b5ab961a · 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-2026-000041676
StatusPUBLIC

Content hashes

Canonical text539d66d19195ac5f1e0fb005ff8a6dfb2dea439b7cc481c8de03c2009f2b29e5
Markdownd290e5e8b91f018b1eec1c7f4e45667cbbfe9f5d5866a7c4ce02bf5aa5433e31
PDF
Publication page555cce3264d2dd7619f2ed0677dfc3a82ab8f0c635aad9135bad61eaf68a240d
Manifest07e94cf46e863ab380d729dd6dd26a3a134722be3c18505ee1f0a1c37839a25f

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
SignatureDy74aT0qPMWccwpTpB0zWQdIav8XogANpUzvyVWUsKQ8NRD2FCHBsKmZ2RDi5rRX+HxZNNbRxXsA4T8Q+y36CA==
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

2026-09-17T11:16:28.998771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041676
observed 555cce3264d2dd7619f2ed0677dfc3a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:28.982579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041676/manifest.json
observed 07e94cf46e863ab380d729dd6dd26a3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:28.964398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041676/publication.md
observed d290e5e8b91f018b1eec1c7f4e45667c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:28.946083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041676/publication.txt
observed 539d66d19195ac5f1e0fb005ff8a6dfb...
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.