OpenTechnical

OT-2026-000056686

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000056686) never changes.

Identity and time

Publication numberOT-2026-000056686 · never reused
Internal UUID01a0ae87-7af6-7a2b-9a41-f0e0942f52a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056686
StatusPUBLIC

Content hashes

Canonical text464f89145580299346b707da1ec549f035f17360c1b2c119ad9d5eaa62369658
Markdownc131b7e65e20720bd037f6b94675b5734b34af835cb42599f63c017da500f067
PDF
Publication page0ec7b107181c653e32a96ae63726dbd411a9576fd371ffb479b6c15cb484f9ae
Manifest9bbb9876e6ce6344b8b5cd759d276e18c7f2b61d8e4889e26d3f21ac995f9d62

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
SignaturexiVfL3GcUYLiulfzPyuCoprj5TZx/0ZAQaPrEEsjD6sHxlA0Q7a1s/Wbqgieq2XjqL3rqPEmJwJRFNIjKA+fAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:05.269217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056686
observed 0ec7b107181c653e32a96ae63726dbd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.251693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056686/manifest.json
observed 9bbb9876e6ce6344b8b5cd759d276e18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.234511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056686/publication.md
observed c131b7e65e20720bd037f6b94675b573...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.216702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056686/publication.txt
observed 464f89145580299346b707da1ec549f0...
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.