OpenTechnical

OT-2026-000031491

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000031491) never changes.

Identity and time

Publication numberOT-2026-000031491 · never reused
Internal UUID01a0ae74-87ae-72f6-8c21-709f30385a69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031491
StatusPUBLIC

Content hashes

Canonical textbde80c633e54d9ffb06301948cbfd7808d24ef5444670902edd87075204094f8
Markdown801fa6c7b23623afb13867db0195fb5930d5c3c9a7c49cc1c810d42e7d7bda62
PDF
Publication page862051122eeb42968da1c3cc93a7352c01620916d805cbdb18593a7aa2c3a541
Manifest22726f0f176c780eec4391af6f6f9fd8facef690cedaba074fb2901d0b132842

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
SignaturetH/CGu+Dq8XqOlIH0mlcN+lkUj/qXo3uJLToy/qDwpTYVw5OPC4i2556YuoWtD3Yact9Zy8hdlRWQYgmS6BHCQ==
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

2026-09-17T11:36:19.106398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031491
observed 862051122eeb42968da1c3cc93a7352c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:19.086252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031491/manifest.json
observed 22726f0f176c780eec4391af6f6f9fd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:19.068428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031491/publication.md
observed 801fa6c7b23623afb13867db0195fb59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:19.051174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031491/publication.txt
observed bde80c633e54d9ffb06301948cbfd780...
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.