OpenTechnical

OT-2026-000045952

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off 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-2026-000045952) never changes.

Identity and time

Publication numberOT-2026-000045952 · never reused
Internal UUID01a0ae7d-8f89-7bea-9be7-65579e7df153 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045952
StatusPUBLIC

Content hashes

Canonical text2865c2b8cbd9ebe1e799b1cedf858814dbaeb55739a9bb19c619e45c515d9f92
Markdown8f585d89dd5e043a0d7ed7ef4dc51f702a81a9092551e8d700a4ed5f7e93ff2b
PDF
Publication page84939b0c5a49543f31c847504025bb413699ba1df2abde85d806fcd0d26eb945
Manifestbd5ad68c355aa2fb15f9eb4fb67d8f7d5e011a635d862e46d0cad44da5daf259

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
SignatureSp+FTI9/fzlZLnTjkD4+goGVDFT1PzPuuG2CuGgcjsb5FhDq1FYTY+0EUX1G8BHuP77kHzOAObOFH7QAbyMhDg==
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

2026-09-17T11:09:52.034532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045952
observed 84939b0c5a49543f31c847504025bb41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:52.016687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045952/manifest.json
observed bd5ad68c355aa2fb15f9eb4fb67d8f7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:51.996694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045952/publication.md
observed 8f585d89dd5e043a0d7ed7ef4dc51f70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:51.979259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045952/publication.txt
observed 2865c2b8cbd9ebe1e799b1cedf858814...
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.