OpenTechnical

OT-2026-000006847

Publication integrity record

Vacuum cup gripper, four zone face, pump fed, 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-2026-000006847) never changes.

Identity and time

Publication numberOT-2026-000006847 · never reused
Internal UUID01a0a969-82ce-7c59-93e3-dc03d66e506f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:50:59.409091Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006847
StatusPUBLIC

Content hashes

Canonical textdf548a066244a2d0c5ab3dea3208763dff693f39ef28b822ab80c22361f01814
Markdown9c876112745ebf3745d3292baf0154f5addbd31e87e9c13b0766ab50396f5e85
PDF
Publication page7dc34b0ba015abab30498d2d0ad8c055b6cab4fc51ee2c8e1b6be34346d29809
Manifest34b95924c04013fe2c0cbec4d23dc527848e094f1f4ef89cf47039bee7edca64

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
SignatureU9UfHiUCDJTfaaEX0gjqWRta264hWjlVQpYbBwDRssvlpQUw0M9b71+JW0G6jHF0Q85JaP531kA06TP3+PBJCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:29.656352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006847
observed 7dc34b0ba015abab30498d2d0ad8c055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:29.641903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006847/manifest.json
observed 34b95924c04013fe2c0cbec4d23dc527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:29.628141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006847/publication.md
observed 9c876112745ebf3745d3292baf0154f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:29.493023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006847/publication.txt
observed df548a066244a2d0c5ab3dea3208763d...
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.