OpenTechnical

OT-2026-000022495

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000022495) never changes.

Identity and time

Publication numberOT-2026-000022495 · never reused
Internal UUID01a0ae6f-f4fe-7197-b2d3-1783f14ee79e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022495
StatusPUBLIC

Content hashes

Canonical text478dbd9a9aa2ec986a2de5b140b640c38dbe209ded474bd62aaabf5b8937b64e
Markdown9371e4cc30fb0723709bc1a0e14c42abec140f9967d1038ac01c51c20f3d02fa
PDF
Publication page35a284a8716743082f45ab58ef5db80854ee1e24027cb97ba5107bbadf5d5287
Manifestde1146809dee3ec11d080ce4eea9c5f751fd9bb5db8cc57a3ad8c871aa87b5b4

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
SignaturegCXkKyqUmKdhucrD42apAaXe8ggUL+N3rt0bajHXAsTBidxgaQlwWjn8i13QDwIvjsZW+qtLoMDgjqS9tyi7Bg==
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

2026-09-17T11:53:55.060700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022495
observed 35a284a8716743082f45ab58ef5db808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:55.042706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022495/manifest.json
observed de1146809dee3ec11d080ce4eea9c5f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:55.022108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022495/publication.md
observed 9371e4cc30fb0723709bc1a0e14c42ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:55.003998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022495/publication.txt
observed 478dbd9a9aa2ec986a2de5b140b640c3...
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.