OpenTechnical

OT-2026-000045747

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000045747) never changes.

Identity and time

Publication numberOT-2026-000045747 · never reused
Internal UUID01a0ae7d-8f04-7056-80c0-b79566a9c608 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045747
StatusPUBLIC

Content hashes

Canonical text9080abd55b24bb9cef17723de92618deb0c88dc7ed1a6e210e4d4c37f6a92375
Markdowncda7684918e31b1e19fc0882f4acee26905774111b062044947bfc8bb046473f
PDF
Publication page43d608777ae2836d9d825c4c1700d1ba884a68b28435dc6bee32d7dc4cd9bcfc
Manifestdead7d98b4185441cffeabd69295ce38f165053bee86200c941240c54aec47af

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
Signaturen94ki6D85yO0ZSRBDc46MWnv8QGN0tvb4fhbxHj4xPOn60Nn4wv+FPGvx4BrYkzBrHuYUXCMCWA8kOlH0yRfBw==
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

2026-09-17T11:09:34.133830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045747
observed 43d608777ae2836d9d825c4c1700d1ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:34.115990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045747/manifest.json
observed dead7d98b4185441cffeabd69295ce38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:34.097576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045747/publication.md
observed cda7684918e31b1e19fc0882f4acee26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:34.077854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045747/publication.txt
observed 9080abd55b24bb9cef17723de92618de...
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.