OpenTechnical

OT-2026-000012778

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000012778) never changes.

Identity and time

Publication numberOT-2026-000012778 · never reused
Internal UUID01a0ae6d-5563-733a-b648-cf1982a51ac5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012778
StatusPUBLIC

Content hashes

Canonical texte75cda8925d289e10cac1fa1a57ec229e231fa10bbeb8bb5c39ae35a0ebc580c
Markdown6f96d6e194b7399b70f05b9e145fabc01efb6cfbfbed45a86461c4c74b08cb70
PDF
Publication pageaa1a1faa247849353da07869dd3436ff175df0b31be94638340ba68031f95258
Manifest45388dc324593e6d2d5b77dba68acfb9d6beeff03fe31c8d4fe2d60a001e9193

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
Signatureqlu/ELzmJfCA6RArb21w2Hx7k8yAzs7PCbWp1CjURXp1HeONIPyeuDAXiNVViJM4tQoRrP9Du3x/pMG9AEtkAw==
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

2026-09-17T12:10:29.757333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012778
observed aa1a1faa247849353da07869dd3436ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:29.735912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012778/manifest.json
observed 45388dc324593e6d2d5b77dba68acfb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:29.713891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012778/publication.md
observed 6f96d6e194b7399b70f05b9e145fabc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:29.692762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012778/publication.txt
observed e75cda8925d289e10cac1fa1a57ec229...
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.