OpenTechnical

OT-2026-000048152

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000048152) never changes.

Identity and time

Publication numberOT-2026-000048152 · never reused
Internal UUID01a0ae80-4de2-752c-878e-332c59e2b078 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048152
StatusPUBLIC

Content hashes

Canonical text149023f52c37dd4e932a2e5360b14119a541135a6f59ccda332e96ec440d83d9
Markdown0e0f326937a4b821321fad5b493b63bcfb1cfcabe0d403620aba919aab960ed1
PDF
Publication page7b6f1cfb1ac443ff1eb8afbf2d35c7c38e7a987929b7cba8a9f34cbd137d9422
Manifest0a8b0b5b006083bc2d1e4cf77b31977f96adf93dc66d581c3f3e5eeb2d2ed644

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
SignatureoDu7gsLPwVS2rRbYqM2P7m6NXHrlTtwbDjduo7yRcbydFOyNM36a48Z5+qFoGtxUjcQQQRzcu0t59wTIKhl+Aw==
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

2026-09-17T11:04:40.713681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048152
observed 7b6f1cfb1ac443ff1eb8afbf2d35c7c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:40.694035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048152/manifest.json
observed 0a8b0b5b006083bc2d1e4cf77b31977f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:40.676175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048152/publication.md
observed 0e0f326937a4b821321fad5b493b63bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:40.658280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048152/publication.txt
observed 149023f52c37dd4e932a2e5360b14119...
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.