OpenTechnical

OT-2026-000039389

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000039389) never changes.

Identity and time

Publication numberOT-2026-000039389 · never reused
Internal UUID01a0ae78-9675-7346-98cc-034680999792 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039389
StatusPUBLIC

Content hashes

Canonical text2bda64ccb510adac582e35b1c5ddd9030721c114b55ce87fef2cddd542201824
Markdown941b417ff8e4653d3a4d294b40555e60665db2f60f36282bb2bb3a29e6948ae7
PDF
Publication page78ca61c9b25f886153365cf71c74eb0c7b2ff54334825ae1051d06a417a4bfbd
Manifest553872809ebba7904947d9f7bbe33847ff8d92ab7a023538eddc7ffcf9a1f7a3

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
SignaturetKagDJvgOLP6wWISnSzYUUdNp9+qqRf2DB1FNdLxb3eyZtd6lOPRPhLgVkHGcXWgSc7ct2T73121d6MyA9fYDQ==
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

2026-09-17T11:20:57.915961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039389
observed 78ca61c9b25f886153365cf71c74eb0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:57.899074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039389/manifest.json
observed 553872809ebba7904947d9f7bbe33847...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:57.882426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039389/publication.md
observed 941b417ff8e4653d3a4d294b40555e60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:57.865116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039389/publication.txt
observed 2bda64ccb510adac582e35b1c5ddd903...
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.