OpenTechnical

OT-2026-000013155

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000013155) never changes.

Identity and time

Publication numberOT-2026-000013155 · never reused
Internal UUID01a0ae6d-6fc8-759b-a0f4-e9842731e82f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013155
StatusPUBLIC

Content hashes

Canonical text821d1609252ce4613c0ba1f0c05c22e9c39031b4a7f692f24a3ec465830996a9
Markdown0dd1156c2ec54e6c611f39ae9ce6389ec4ab568ba1757b3a6c80e3f87b9d706f
PDF
Publication page4ca938e0bba3b17a70bbb6bf77320981ecec6ec9f31e3a06fbbe34b21e6ec506
Manifest98961f7c94b1a8644ebdfdd45d6050a090a26b9eed85914bfd5f3966ccb8c48f

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
SignatureuX4wlwWT27Tf/6BUFKjlAzjMPgdDihLSf13HkspCGWfPVNjlytIclmZlZbhtk42YHpPb9CNlPToVwkACLJz6Bw==
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

2026-09-17T12:09:31.420436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013155
observed 4ca938e0bba3b17a70bbb6bf77320981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:31.401936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013155/manifest.json
observed 98961f7c94b1a8644ebdfdd45d6050a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:31.384013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013155/publication.md
observed 0dd1156c2ec54e6c611f39ae9ce6389e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:31.365526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013155/publication.txt
observed 821d1609252ce4613c0ba1f0c05c22e9...
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.