OpenTechnical

OT-2026-000022198

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000022198) never changes.

Identity and time

Publication numberOT-2026-000022198 · never reused
Internal UUID01a0ae6f-f4fc-7de2-8975-42d929502c0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022198
StatusPUBLIC

Content hashes

Canonical text045a3601b8cb4d0bb97ffab96e0aa153d354ee26c61eec8a64ddbc7d1fe2aaf7
Markdownf9dd5a557611e38c83638201c50081fb96d199fcd48bc6ee53c8d70b0a5eb1b5
PDF
Publication pagef178c6bf4637470fc9e757df997c02f93b0c428e3405bd79644cb83db5e55412
Manifest21afaf4a5d8f1e170ae1a709a7655a6ca729472a0e87546c3b18d3a61e58a8f2

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
Signature8+HLL4tSTR4n5C+MqaITi5EzdHj5cBvl6t562SfLCVuMTrHMANOYsbfMa0CxdV6m6WfXt2DCbXTFT5zADbxbCw==
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

2026-09-17T11:52:53.038430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022198
observed f178c6bf4637470fc9e757df997c02f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:53.020330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022198/manifest.json
observed 21afaf4a5d8f1e170ae1a709a7655a6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:53.002943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022198/publication.md
observed f9dd5a557611e38c83638201c50081fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:52.982659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022198/publication.txt
observed 045a3601b8cb4d0bb97ffab96e0aa153...
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.