OpenTechnical

OT-2026-000039031

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, 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-2026-000039031) never changes.

Identity and time

Publication numberOT-2026-000039031 · never reused
Internal UUID01a0ae78-9672-74db-9853-885e2b98be3b · 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-2026-000039031
StatusPUBLIC

Content hashes

Canonical textf3ab681d3fb870e59265de18202af0063b7f18e9be4ca3cb1ce0f1e48cdf6e4b
Markdowne6ac6ac90094f5f7f4cd41fcc399e773e3a65e2da07049c75180728cdebd6fe0
PDF
Publication page373d6fc80fc33b734fdbda0b813ce5e9a549fa01fd817edfb74103e50b6ceba5
Manifest2718f5a138964dcdc84286a55c218d6cef7cf03b8f133ec4f449db8b2a60ec5a

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
SignaturecZ7Ndt0iuW44cBqSmZgKP9VYBha+1bNjq/MbL5N7WcReBPLqZNFPYKbl2e9hyprYTrHCY05TZQIS5IUzTydqAw==
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

2026-09-17T11:20:22.856525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039031
observed 373d6fc80fc33b734fdbda0b813ce5e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:22.838031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039031/manifest.json
observed 2718f5a138964dcdc84286a55c218d6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:22.818102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039031/publication.md
observed e6ac6ac90094f5f7f4cd41fcc399e773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:22.797875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039031/publication.txt
observed f3ab681d3fb870e59265de18202af006...
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.