OpenTechnical

OT-2026-000039202

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000039202) never changes.

Identity and time

Publication numberOT-2026-000039202 · never reused
Internal UUID01a0ae78-9673-72a2-98ab-d3b44dc4c95e · 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-2026-000039202
StatusPUBLIC

Content hashes

Canonical textf6a8dc64b03c379af23eb0c38c5d1f25877fd14f3f2f23758abaedf18cb77e96
Markdown2cccfb9d0db81a87be27b108b23b40ff4876255b8104d095b0c742aea73ce688
PDF
Publication paged2bb4ca939e5595e7eca8c9607f3b1985bd8fecfe67310c21562782a377b7d40
Manifest7ec019f30ec561e04c3e73105c9be77a71760622041338418d00e5a686bb2c2c

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
SignaturexRJAWO1tMV6Ey0obNz5SMzyEC7tkSAaO9KNcqD+6+v7GOgeyEJkltByMMZC1VNvFw//lFORFM01NOHDL1kuZAg==
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

2026-09-17T11:20:45.149612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039202
observed d2bb4ca939e5595e7eca8c9607f3b198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:45.130037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039202/manifest.json
observed 7ec019f30ec561e04c3e73105c9be77a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:45.106070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039202/publication.md
observed 2cccfb9d0db81a87be27b108b23b40ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:44.303944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039202/publication.txt
observed f6a8dc64b03c379af23eb0c38c5d1f25...
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.