OpenTechnical

OT-2026-000039728

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000039728) never changes.

Identity and time

Publication numberOT-2026-000039728 · never reused
Internal UUID01a0ae78-d8d5-7964-94a4-e4bab6908a9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039728
StatusPUBLIC

Content hashes

Canonical textbf2237298392d798c928599a7b73f74813d27a0298513ffe87b7883981dbeef5
Markdown00b603740ef8916567b1594aad345367cacfb8a797b35918d44e8920a740c566
PDF
Publication page9907a5b4064d187bf314b7d298b0679bd85d7641250bc18905762bb6e1545f48
Manifest4663032859b17470a6f9ca03fad940c7299b30fdfcbe64069790b5a694f68b55

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
Signaturea0ybfVt/PSFeGjGxzpi2xFucARInxyaQ+3nL8cl8U+wPsL3XmmuuK7NPIknpfZHYtpqOUcrpYEKPwqWKiEEMAQ==
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

2026-09-17T11:19:55.960660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039728
observed 9907a5b4064d187bf314b7d298b0679b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:55.943076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039728/manifest.json
observed 4663032859b17470a6f9ca03fad940c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:55.923858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039728/publication.md
observed 00b603740ef8916567b1594aad345367...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:55.905889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039728/publication.txt
observed bf2237298392d798c928599a7b73f748...
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.