OpenTechnical

OT-2026-000013242

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, pulsed blow-off before set-down, on a tool changer

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-2026-000013242) never changes.

Identity and time

Publication numberOT-2026-000013242 · never reused
Internal UUID01a0ae6d-6fc9-77c0-b8bd-ed620a0799c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013242
StatusPUBLIC

Content hashes

Canonical textc695d4949017ade121b6ef62e790fbfd939c2726d01e16e86e25feb6fe198492
Markdown5ef24f4bd8b3455c2ef62e49791abb4b031e426b8b7e1f1950f7655093ce0e52
PDF
Publication page0e6025999ab1281c6a5b92fa2b3a50ea5b31d287f7dbe29134c3f31d3edb7479
Manifest33eafd1bf44b2967ee9f660ea95b0a075dfde1f9cdfeb7dbfd4ddcfd03ae04ca

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
SignatureMvmQPaTceULFr3QITr/Wj3SOdodoItZmTjmQ0TtlXxCcp4YjRIQs2Ou5NfhSZutFvQoymInKPJ87GXM+OrE7Bg==
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

2026-09-17T12:09:38.585754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013242
observed 0e6025999ab1281c6a5b92fa2b3a50ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:38.567968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013242/manifest.json
observed 33eafd1bf44b2967ee9f660ea95b0a07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:38.550558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013242/publication.md
observed 5ef24f4bd8b3455c2ef62e49791abb4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:38.530074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013242/publication.txt
observed c695d4949017ade121b6ef62e790fbfd...
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.