OpenTechnical

OT-2026-000027714

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000027714) never changes.

Identity and time

Publication numberOT-2026-000027714 · never reused
Internal UUID01a0ae72-699a-77e2-b55e-6a13cf7921b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027714
StatusPUBLIC

Content hashes

Canonical text31c2b0c60f630f7f9592fbdec1d4a25197efe5f262febe5571b1ebe2002741b0
Markdown4ae20daa5f8333d219edd24627675fb664bc34e3ba8e0a1ac9cdb6cfa52fe779
PDF
Publication page5e4a1bcb757c0c48d11143548eb785ad4d23276a63745f1bd95a950c553aa373
Manifest4acd901b3002d4130db41abb88df137ddaea9accdb731c5cd52b6bf72057753e

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
SignatureBb/M4EgKI2a0KhUOHOTSCMw2DkhKWa6iKyQHHBwoxiifCuChVQtYgwdbgZksmPZvRs0ICYApZqHZEHUe4YsGDA==
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

2026-09-17T11:43:16.104688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027714
observed 5e4a1bcb757c0c48d11143548eb785ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:16.089446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027714/manifest.json
observed 4acd901b3002d4130db41abb88df137d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:16.073518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027714/publication.md
observed 4ae20daa5f8333d219edd24627675fb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:16.056396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027714/publication.txt
observed 31c2b0c60f630f7f9592fbdec1d4a251...
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.