OpenTechnical

OT-2026-000046246

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000046246) never changes.

Identity and time

Publication numberOT-2026-000046246 · never reused
Internal UUID01a0ae7e-57ca-71f9-90f0-736059023e63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046246
StatusPUBLIC

Content hashes

Canonical text05f82a92c964f2206a1eb536adcbf0b1e8e38456c84c2d8455db39176084aa7b
Markdown5e8e63b5f99ccd1d086f0a1be109862a9ed5d19d84fd1b50ea249221b0b4e7f4
PDF
Publication pagea93db85557871e3d0f54af497ad43263c08c41e4f8699df199370ccb7798e5b5
Manifestdb19fad91667d501a36d23fbe90364a73e3a986b640e0bd9bae33af036c67916

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
SignatureDgVhwiAzldisaPB0GR9iYLiBi/wbyR38bXq13RcDICnprdgCYnGNCJhgJuuJa8ceWdIcUMYm3ToaCQPi0VXHDw==
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

2026-09-17T11:08:05.932946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046246
observed a93db85557871e3d0f54af497ad43263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:05.913099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046246/manifest.json
observed db19fad91667d501a36d23fbe90364a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:05.894564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046246/publication.md
observed 5e8e63b5f99ccd1d086f0a1be109862a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:05.876165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046246/publication.txt
observed 05f82a92c964f2206a1eb536adcbf0b1...
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.