OpenTechnical

OT-2026-000039447

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000039447) never changes.

Identity and time

Publication numberOT-2026-000039447 · never reused
Internal UUID01a0ae78-9675-7237-8e35-f47fb7310cc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039447
StatusPUBLIC

Content hashes

Canonical textb36d2422f1aa3d641c7a3f412e8a5243936120a958b72789d0265e70899b839e
Markdown6e5cda78339da9d56635bd73d2ff2f273998d3912b0bed7293e27bb92642a6a1
PDF
Publication pagee12e545999318743f801c1824aa733574d819871d7dbedb5dce288cdeafec4d8
Manifesta3046984363b2558b5749fded242abce58ddb4f6e14c072ad6ca3dae110dd4c4

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
SignatureWH5YwOrQdBEvdlXahoC5qiQtb5dp1R3oVXpd1Bf0/JIrdxJUHuF5ZK6jr2e1IMvSj1Ro5P/YT4e/vg5w7b84BA==
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

2026-09-17T11:21:04.050129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039447
observed e12e545999318743f801c1824aa73357...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:04.032553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039447/manifest.json
observed a3046984363b2558b5749fded242abce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:04.012865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039447/publication.md
observed 6e5cda78339da9d56635bd73d2ff2f27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:03.994421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039447/publication.txt
observed b36d2422f1aa3d641c7a3f412e8a5243...
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.