OpenTechnical

OT-2026-000015702

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000015702) never changes.

Identity and time

Publication numberOT-2026-000015702 · never reused
Internal UUID01a0ae6e-0c4b-7819-857e-5a56d9385664 · 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-2026-000015702
StatusPUBLIC

Content hashes

Canonical text286c02b10c0415e2fe08f9ae40895e489266ae26206d678c4a5c71360cb19440
Markdown7df29155b1a8ad484cfd06daf26ce8ca83351224066f2513e13197501b1d7cf3
PDF
Publication page10aef4023dda29c07c6602efa34305125d7f803269ee6a30bd9ccb579da7b005
Manifestecdfa871e82e223331767129803076a0c3eb87a8a6d3b8f5f67ef8045bc578c5

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
SignatureDCpMsxFqqhpP4qTd9k4BWBuafh3otQGJXa588JV77RhBeIcvkNV6CfULepSDcIWvIQgLdA7rRLLtWf5H4XzzCQ==
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

2026-09-17T12:04:58.855833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015702
observed 10aef4023dda29c07c6602efa3430512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:58.839876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015702/manifest.json
observed ecdfa871e82e223331767129803076a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:58.822238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015702/publication.md
observed 7df29155b1a8ad484cfd06daf26ce8ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:58.804156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015702/publication.txt
observed 286c02b10c0415e2fe08f9ae40895e48...
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.