OpenTechnical

OT-2026-000010487

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, vented 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-2026-000010487) never changes.

Identity and time

Publication numberOT-2026-000010487 · never reused
Internal UUID01a0ae6c-0ee7-72a3-8048-edea828ce5cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010487
StatusPUBLIC

Content hashes

Canonical text5709c517641ee5b7d801afd8f5b63151f389fe24e49bd914a40daba9007b72d7
Markdown211a98ace2398c1a2d112719a6f87e417fd180b64337b24e0a386169f15d4cc6
PDF
Publication page6ab29a6a1a4e56db4cf84a2b625ddb8de34251c8d23d3f2699569005e66ee814
Manifest6a7f0e8577b863fae19c60a4373b135e9af2baadad1e3cbd71791ab9e6c9efdc

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
SignatureeqpOIOgsvxjCg4u8N35Px57QOcUNR+BBBECtWqaRPH3ld7irH4bqDewBJsoS/ZPWjIH6qHB3qADfTbdAsIP+AQ==
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

2026-09-17T12:14:38.134396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010487
observed 6ab29a6a1a4e56db4cf84a2b625ddb8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:38.114042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010487/manifest.json
observed 6a7f0e8577b863fae19c60a4373b135e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:38.090740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010487/publication.md
observed 211a98ace2398c1a2d112719a6f87e41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:38.070834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010487/publication.txt
observed 5709c517641ee5b7d801afd8f5b63151...
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.