OpenTechnical

OT-2026-000012427

Publication integrity record

Three cup 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-2026-000012427) never changes.

Identity and time

Publication numberOT-2026-000012427 · never reused
Internal UUID01a0ae6d-39f6-7c25-877b-554a9df29b5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012427
StatusPUBLIC

Content hashes

Canonical textc97619d4cd3e0d9c8840c88ab9e62372b92f318030fcbbff671c53bdf6e9e2de
Markdowne096de8cc0a8018421c2f71f3968ab97d10e0c5ee018fa0d9021ea8d062461cb
PDF
Publication pagecf8deb50e5c6c211a0265ea1087e49c9d939f1e47ad2e531f4b228b4adefdac8
Manifest537dcb96d22386150912dfb3cb577e258cbe902dd84d798f1bdbf7b9c0647a67

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
SignatureA2kBgw9w7Somh2lBXwgZKxTEUANJSRB98FQr/05uO6jT5UQ1XJTBtZx/sOW0XJQk4sz9A8rw+Cy/WrPdb/gpCw==
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

2026-09-17T12:11:55.501826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012427
observed cf8deb50e5c6c211a0265ea1087e49c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:55.482275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012427/manifest.json
observed 537dcb96d22386150912dfb3cb577e25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:55.465020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012427/publication.md
observed e096de8cc0a8018421c2f71f3968ab97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:55.445765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012427/publication.txt
observed c97619d4cd3e0d9c8840c88ab9e62372...
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.