OpenTechnical

OT-2026-000048148

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after set-down

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-2026-000048148) never changes.

Identity and time

Publication numberOT-2026-000048148 · never reused
Internal UUID01a0ae80-4de1-7f2a-b1c2-aa3740b31a01 · 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-2026-000048148
StatusPUBLIC

Content hashes

Canonical textc459f4c533741fae8812cab7dace28fb3ee725bfbab5a3530deba859b9854672
Markdown5754a035d3d55ad34961acb3a5094eea61dbd3ccf0c4b87c920fdb2de7afc468
PDF
Publication page2bcb8e0f7ba033c484e3dd526f02a81d6988441d7b51b30c8978847d85069da2
Manifestc886e88fc047f496213633112895fa67b0d88262da76322d8d13b09e618b9156

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
SignaturexzzMwRIoeG/7XtnD3gnWYvnQ+GtE0XBTVO6PUa+w8Yg2bG3eYVXmF6NorxjpQLqReBweiBixbIk0yEJ76BkADQ==
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

2026-09-17T11:04:40.397738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048148
observed 2bcb8e0f7ba033c484e3dd526f02a81d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:40.378922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048148/manifest.json
observed c886e88fc047f496213633112895fa67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:40.360153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048148/publication.md
observed 5754a035d3d55ad34961acb3a5094eea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:40.338994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048148/publication.txt
observed c459f4c533741fae8812cab7dace28fb...
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.