OpenTechnical

OT-2026-000025290

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000025290) never changes.

Identity and time

Publication numberOT-2026-000025290 · never reused
Internal UUID01a0ae71-5fa6-7f0f-a588-64809523498b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025290
StatusPUBLIC

Content hashes

Canonical textdbcbf4e0a68848384ca553aa3d36221e6de110b55cb0c387f4271692ccf3a937
Markdowneaeb5236f4202430deb6f8d99c41076a3fce233dd762821815f3824355d73a25
PDF
Publication page1625830adabccecaea8e910c21837ebf7f1c6a8f7fdd69c0ab3e909183b31112
Manifest6f8759f3b4096abd8743383949c02c630831feb476f16011cb12bd2824f39293

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
SignaturecDJV4CFMzyoc7lo8SyatolWv10J6iWmirKDMFrCU66HrC2gT+l0AaDqBHo59A6K/7ajYGj3n2MVIhfPV/WdNDA==
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

2026-09-17T11:47:18.198787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025290
observed 1625830adabccecaea8e910c21837ebf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:18.180844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025290/manifest.json
observed 6f8759f3b4096abd8743383949c02c63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:18.160622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025290/publication.md
observed eaeb5236f4202430deb6f8d99c41076a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:18.144202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025290/publication.txt
observed dbcbf4e0a68848384ca553aa3d36221e...
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.