OpenTechnical

OT-2026-000039205

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000039205) never changes.

Identity and time

Publication numberOT-2026-000039205 · never reused
Internal UUID01a0ae78-9673-7a88-bc86-f3e18aeaeab5 · 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-2026-000039205
StatusPUBLIC

Content hashes

Canonical text86302c321232991e6f0bfcf20dbaa863caf370803da9ead58dc249d036be5d99
Markdownce4bbd815391d693d0c08db0b31715e2320cdb559956a8da5aaee6087f5ceb35
PDF
Publication page221b5078651ff6207dce095b61f1d2d74c0b49feb16baf5bfd01c4f0e791c31c
Manifestd135258fe43a512f8ad9509c62b832a7b9bac7cc90652db5bece9bd18a7e283a

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
SignaturetLD8/2Xj0POCK8Zqbh4YPuyj5aW9ddIoPlxzuvOghCcXCRnVe4v0wlNo6lvMt3cllDIWDyTcCEno4rQsIox2Dw==
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

2026-09-17T11:20:45.390277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039205
observed 221b5078651ff6207dce095b61f1d2d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:45.373848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039205/manifest.json
observed d135258fe43a512f8ad9509c62b832a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:45.355729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039205/publication.md
observed ce4bbd815391d693d0c08db0b31715e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:45.335887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039205/publication.txt
observed 86302c321232991e6f0bfcf20dbaa863...
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.