OpenTechnical

OT-2026-000015913

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000015913) never changes.

Identity and time

Publication numberOT-2026-000015913 · never reused
Internal UUID01a0ae6e-0c4d-7806-b6c5-05d606909d54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015913
StatusPUBLIC

Content hashes

Canonical text643ddbdc7dcee5f1a195655a0b9f3807c590bd1411c3b1f1edc7d9a4173933fd
Markdowne11b9697ba9f68c8750568293b9b65fc2e9a772a74c8764ba213d5f51f033dac
PDF
Publication page2c60d17641025fce338b6a69d9999072382e001651a70b851811dd29af3c8612
Manifestfc204f686492c4878ec21402f5d903eb4adca68033f75aed3a43143ea89a9438

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
SignatureyEqZfPmaiBMb4wS4sNXpFBttKQ1Z05N471oVFgd48Pl2wX1berqX96irzVRRDl6e4hua74sOhMNHKxUwzz+7CQ==
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

2026-09-17T12:05:22.604644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015913
observed 2c60d17641025fce338b6a69d9999072...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:22.584866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015913/manifest.json
observed fc204f686492c4878ec21402f5d903eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:22.567352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015913/publication.md
observed e11b9697ba9f68c8750568293b9b65fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:22.549712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015913/publication.txt
observed 643ddbdc7dcee5f1a195655a0b9f3807...
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.