OpenTechnical

OT-2026-000019745

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000019745) never changes.

Identity and time

Publication numberOT-2026-000019745 · never reused
Internal UUID01a0ae6f-1fb4-721c-ac22-da4440c6af68 · 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-2026-000019745
StatusPUBLIC

Content hashes

Canonical textc67c45df3aa761106f6fb4a651eefdf64648cb3e3241868d75617dc8a7113b34
Markdownc5d3b1d873dc8089d8aebe7c9b43c52c2b53b2b380bc81e4d5bcd5f5f92dc413
PDF
Publication page15b3d246dbc8ceca072682c417e9304601c81d9940fdf24cdfcb21f15ae1be77
Manifestd33ff15ebe0d44badfdeff27be9d4c25c04f7ecf6b62b40f67c715c669d835c1

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
Signaturel+0BjB26zmxEAHVHKnYrvRidDsN2cIjhCr7B7KnyXa5xaQYS66BszlL1mImqaHo6YPnVE2Uy2nTDOh0+0oldDg==
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

2026-09-17T11:57:50.419445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019745
observed 15b3d246dbc8ceca072682c417e93046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:50.402275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019745/manifest.json
observed d33ff15ebe0d44badfdeff27be9d4c25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:50.385008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019745/publication.md
observed c5d3b1d873dc8089d8aebe7c9b43c52c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:50.366585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019745/publication.txt
observed c67c45df3aa761106f6fb4a651eefdf6...
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.