OpenTechnical

OT-2026-000098673

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000098673) never changes.

Identity and time

Publication numberOT-2026-000098673 · never reused
Internal UUID01a0aea2-42ad-7f94-8521-319a8e1fd13c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098673
StatusPUBLIC

Content hashes

Canonical text71327816738c0db4438e2d0c6211e0133898595f70c60b7565210a1a403e2282
Markdownb2eb7105b759d7e7810d146fb7c3fa48a25d0cd136fb6dec1a068415729e60d8
PDF
Publication page5aba498dede50a19e652f54b50de91631f246843ad1ba8f4b624d3c82090c1f8
Manifest9950e715486e305c0be286d96da2dfc4cec013f94f1643e8f6a6c15aca5e5359

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
SignaturevNpuWhBLbV7jEioLFxiSGXtPMm+Fg+hoKzFvbowOZoLxKeHhcPY1J/qLGT3Q5QoIbSXjOvc825e0tN/8QoJkAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:58.416874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098673
observed 5aba498dede50a19e652f54b50de9163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:58.398212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098673/manifest.json
observed 9950e715486e305c0be286d96da2dfc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:58.380862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098673/publication.md
observed b2eb7105b759d7e7810d146fb7c3fa48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:58.363561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098673/publication.txt
observed 71327816738c0db4438e2d0c6211e013...
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.