OpenTechnical

OT-2026-000034446

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000034446) never changes.

Identity and time

Publication numberOT-2026-000034446 · never reused
Internal UUID01a0ae76-12eb-7b08-84dd-4b9524cceacc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:48.823624Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034446
StatusPUBLIC

Content hashes

Canonical text45ddb797c1117c14d79083b2fc055563b59492c88a65495afcaaf8b916494eba
Markdownd851019de265455816637aaffd57d5b525d8eec4cd4a3c5356bb240d94649cc2
PDF
Publication pagefd008a78cfbe58150a1b1a240b019781b89d962f5074afa9967e1b810882e344
Manifestc5bf3ead261955bd913f010d17ab121118afc7936482f9a43f282c94fe53569e

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
Signatureh8HSYlO+aE8Nid/vXIvxj73yE1oZckcQzBCjnotpa15rdNioovooGtCOmvcYKJNBvtvjZLWdQ49qSq42eh+7AQ==
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

2026-09-17T11:30:46.340042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034446
observed fd008a78cfbe58150a1b1a240b019781...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.321709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034446/manifest.json
observed c5bf3ead261955bd913f010d17ab1211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.305357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034446/publication.md
observed d851019de265455816637aaffd57d5b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.287292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034446/publication.txt
observed 45ddb797c1117c14d79083b2fc055563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:01.116610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034446
observed fd008a78cfbe58150a1b1a240b019781...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:01.098171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034446/manifest.json
observed c5bf3ead261955bd913f010d17ab1211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:01.082055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034446/publication.md
observed d851019de265455816637aaffd57d5b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:01.063613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034446/publication.txt
observed 45ddb797c1117c14d79083b2fc055563...
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.