OpenTechnical

OT-2026-000047516

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000047516) never changes.

Identity and time

Publication numberOT-2026-000047516 · never reused
Internal UUID01a0ae7f-3e59-7692-9b69-7eb21be558c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047516
StatusPUBLIC

Content hashes

Canonical text40b54dbe718d7ebd28be8cb70adc903288dab6c0e4dc263bcf22abdca5e0067b
Markdown41b190e405f801e6c22bbcf192a333c178d89faa2991a86ef7f9816fb71794d9
PDF
Publication page42f9effa5b1cb8871e13223bb75b02becfc6da8d9a27869a305db482e229c344
Manifest4bf1381d7174779047798c24d73fc956f598e9d031af46353f7ebfc3fd879169

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
SignatureghqGII8JVakZUNxHsUOImChJZlX9+YMkU3rgcy0mTdybh+G2GyBgLy8B59GvFu6VyaxBJU7qSM0FJzQ2SKU5CA==
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

2026-09-17T11:06:37.393331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047516
observed 42f9effa5b1cb8871e13223bb75b02be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:37.373050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047516/manifest.json
observed 4bf1381d7174779047798c24d73fc956...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:37.351468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047516/publication.md
observed 41b190e405f801e6c22bbcf192a333c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:37.329184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047516/publication.txt
observed 40b54dbe718d7ebd28be8cb70adc9032...
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.