OpenTechnical

OT-2026-000010959

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, vented after 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-2026-000010959) never changes.

Identity and time

Publication numberOT-2026-000010959 · never reused
Internal UUID01a0ae6c-540d-7eb4-89e7-b343ffed513b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010959
StatusPUBLIC

Content hashes

Canonical text455bafd2d3c4ad2feb89c4a637e8545ec9a9da21318efe613f47153c624efd4b
Markdowna7614d2759da3985b2ea6e90e4a2fd16eb8a9517ea813a83035a7549fa169f75
PDF
Publication page551f20cdcfe7337bbe71349a0558d048b1866de93e5ce0bfced7ff9aada16060
Manifestab0eae859f87fd5d21877b67bf6ce55ed444df24d4c3390dd540503bf4924907

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
SignatureiTNrH7CPS1wJhciCB0cgI8sZUIPVmc0bonelwyx1VHsTRHsriEBYqOVxiZBhcB5S6emfqVL8nC7xcJ0Awv7sCA==
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

2026-09-17T12:13:45.204526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010959
observed 551f20cdcfe7337bbe71349a0558d048...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:45.184790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010959/manifest.json
observed ab0eae859f87fd5d21877b67bf6ce55e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:45.166130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010959/publication.md
observed a7614d2759da3985b2ea6e90e4a2fd16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:45.146127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010959/publication.txt
observed 455bafd2d3c4ad2feb89c4a637e8545e...
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.