OpenTechnical

OT-2026-000018546

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000018546) never changes.

Identity and time

Publication numberOT-2026-000018546 · never reused
Internal UUID01a0ae6e-b48a-783b-84f7-55781b4a1466 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018546
StatusPUBLIC

Content hashes

Canonical text9d2feb27e9b80962cd479e0ba932fd7b5472ad8b6f32dd2e34aab15e71e8bf74
Markdown48ceb9de6b03e82d1cccd90f987b4c0d3f2fe306acc9538dd2c326aa2bc0f7da
PDF
Publication page7b49f18d5a284462be4251e75006acf664816b70cd8f1a726ee027746fd5da5b
Manifestf22320a761f7371a1ddccb7602c28a1d44205f8a3017249f7cf98aa72c6b3219

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
SignaturelimF2PGQ/c39KPesZXiLDBDc1L11JfTd+TTl7ejgdkabPl8ua7dqVvf8ytRViU9E/u5mhK6MJaAQTKk9z+kzAA==
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

2026-09-17T12:01:19.573683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018546
observed 7b49f18d5a284462be4251e75006acf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:19.556354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018546/manifest.json
observed f22320a761f7371a1ddccb7602c28a1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:19.538248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018546/publication.md
observed 48ceb9de6b03e82d1cccd90f987b4c0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:19.519154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018546/publication.txt
observed 9d2feb27e9b80962cd479e0ba932fd7b...
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.