OpenTechnical

OT-2026-000035259

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000035259) never changes.

Identity and time

Publication numberOT-2026-000035259 · never reused
Internal UUID01a0ae76-6a1f-7c3d-9de8-bd564d9ffd76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035259
StatusPUBLIC

Content hashes

Canonical textde56090606bd2ed39c27e54787c289a66d3002fbe7b0aea4e58ed4007df7f832
Markdowna969cd6cd8ae6534acd1f062ef31999bbd65aa95694ad622b6f0253436a59768
PDF
Publication page6cb29fbc23adfaa28ee89d6f35becd91c4796f33994014ce5d951b3bd0f098a0
Manifest8ac6d56a0a1bfa3e476d9560d48dee19b531223f52358cd2fe06179054255efd

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
SignaturefQ1Hf7gDxUe/noMahy/Hs8GfHXhgSW9wciKthVQgJXXw4fnaSormrQrmwI8tLMb4QD/txfo81aMFvrrizYFsBA==
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

2026-09-17T11:28:24.345745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035259
observed 6cb29fbc23adfaa28ee89d6f35becd91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:24.327520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035259/manifest.json
observed 8ac6d56a0a1bfa3e476d9560d48dee19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:24.311193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035259/publication.md
observed a969cd6cd8ae6534acd1f062ef31999b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:24.293467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035259/publication.txt
observed de56090606bd2ed39c27e54787c289a6...
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.