OpenTechnical

OT-2026-000029113

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000029113) never changes.

Identity and time

Publication numberOT-2026-000029113 · never reused
Internal UUID01a0ae73-2a9f-7e3e-b142-ce3c038edeb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029113
StatusPUBLIC

Content hashes

Canonical text0544b264b4b336d1bd1ae454ac646c9b5451e3ec5dad5cf770cc5297f79b1a74
Markdownbf62111c4e179fe8f442e7db5f8c8be7c9ee6a9977ba56318056dd3514644746
PDF
Publication page8c9807f3b5df6867acf5552b4963741377f632a551a7ab9e8c02aba75c30a37d
Manifest9e353e355c938a95bf21011277625f5c2c6e1621d38668abc637c707b7f668ef

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
Signatureadqlsd5F4AwfPIo5q4Sb6jd3jIZ4BxwzVWNbyNb6frKsK0uoHCnMGXE1petAzjV1mZCIwi5T5EVOKxwvShBTCA==
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

2026-09-17T11:39:35.636915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029113
observed 8c9807f3b5df6867acf5552b49637413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:35.605026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029113/manifest.json
observed 9e353e355c938a95bf21011277625f5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:35.586348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029113/publication.md
observed bf62111c4e179fe8f442e7db5f8c8be7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:35.550628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029113/publication.txt
observed 0544b264b4b336d1bd1ae454ac646c9b...
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.