OpenTechnical

OT-2026-000027533

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, 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-2026-000027533) never changes.

Identity and time

Publication numberOT-2026-000027533 · never reused
Internal UUID01a0ae72-6998-7d45-9e19-28995e37d2b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027533
StatusPUBLIC

Content hashes

Canonical text164f8f0f0a93151f35209b64f35f82f32353ecc10fc24dcb0e680b0281d11931
Markdown6e8aa81a1ad4874cdc846ed2b745745436a06b5ff410ad6d7a1c19288c569296
PDF
Publication page12c7485a26b402be49f6aca0cdfb18f09a651b248e41523e2aa348eae1750e51
Manifestf7bdadc01ae97e3c2d6f33eb5b09debe96ea0e4e377c502dae0f9b68dd38a427

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
SignatureWuPvb8Hrg/MB9pOap2jbS7VnaG1q8ExP9a3soR/ica4CAvdFfwvZ/q3rJ6Dxti/BS0/hqkvZe1wxToll2bSVDQ==
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

2026-09-17T11:43:01.015590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027533
observed 12c7485a26b402be49f6aca0cdfb18f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:00.995857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027533/manifest.json
observed f7bdadc01ae97e3c2d6f33eb5b09debe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:00.978366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027533/publication.md
observed 6e8aa81a1ad4874cdc846ed2b7457454...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:00.959273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027533/publication.txt
observed 164f8f0f0a93151f35209b64f35f82f3...
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.