OpenTechnical

OT-2026-000019855

Publication integrity record

Foam pad vacuum gripper, three zone face, pump 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-2026-000019855) never changes.

Identity and time

Publication numberOT-2026-000019855 · never reused
Internal UUID01a0ae6f-1fb6-7ca5-b4a6-75574c244044 · 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-2026-000019855
StatusPUBLIC

Content hashes

Canonical text82994f4f4944b688815719aae222c05f20e93d8252224e0757b76a5b45930af1
Markdown24082e6543ad0bf68902a14f9dcc7295c16784b1a497188c2b0e77b0b3c3fa04
PDF
Publication page5a3618932fb300566380693ac0f88342627169203e64a83c93744963c477dd6c
Manifest0a2fe50b55979bd8eb725d68b1e65133a0f833db39fa0d8f2b9573f5c75b285e

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
SignatureAeiniob0kgtvZU5swE+E8PlwLPraG4zqCWsEYEAthmF3H3XdrzmmTH49+slPESEtRF8kMSCR68VkSWuuTqKqBQ==
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

2026-09-17T11:58:03.420604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019855
observed 5a3618932fb300566380693ac0f88342...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:03.400097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019855/manifest.json
observed 0a2fe50b55979bd8eb725d68b1e65133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:03.381140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019855/publication.md
observed 24082e6543ad0bf68902a14f9dcc7295...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:03.361927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019855/publication.txt
observed 82994f4f4944b688815719aae222c05f...
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.