OpenTechnical

OT-2026-000019710

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000019710) never changes.

Identity and time

Publication numberOT-2026-000019710 · never reused
Internal UUID01a0ae6f-1fb4-70d7-b499-a788973cd13d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019710
StatusPUBLIC

Content hashes

Canonical textbd9cf569f1bf5c83b4dcaf232d64cb29429c938c753a2f2c8036ec320d6edc09
Markdown63e32ab9454822e0673feb6b23be5a1059962a23177dbb3634844c1803c3e9dc
PDF
Publication page415c477086c2874a2361838b463304d29842b2439c958fa284a91765c2b88c7d
Manifest7079ce8eabfb9bbe8aff2541bf5eed563c5ce2a2aafa5ef528f0caf4b9bbd4a1

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
SignaturekiwDVy4keJVtYpNoIc4pbmHLsYTPwL52vwyaTDgOVvi8mUTz3eqU00XMm9ty7NGBOfhrWXSk0RpzDLt4De6/DA==
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

2026-09-17T11:57:47.756149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019710
observed 415c477086c2874a2361838b463304d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:47.739283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019710/manifest.json
observed 7079ce8eabfb9bbe8aff2541bf5eed56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:47.721289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019710/publication.md
observed 63e32ab9454822e0673feb6b23be5a10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:47.704591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019710/publication.txt
observed bd9cf569f1bf5c83b4dcaf232d64cb29...
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.