OpenTechnical

OT-2026-000034411

Publication integrity record

Three cup vacuum gripper, three zone face, 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-2026-000034411) never changes.

Identity and time

Publication numberOT-2026-000034411 · never reused
Internal UUID01a0ae75-df0f-7631-8bf8-5816fd146ea8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034411
StatusPUBLIC

Content hashes

Canonical textebf5edbd4e167bdf268421c1350a5e64d99eb4ecb667ef67190c67e75ba99709
Markdown9d7ba686d57b3a929b92b235cc0b9e11cd3d38f443bb31d778107c0137dfbdce
PDF
Publication pagefb46a1afe3fe2c45c072d52e9c33e255e7030f2c52722ebb1156e8425430a1c7
Manifest57677a860f8d21ee853d85353676364feaa14b4a2e3a8663f4872800beaa54ac

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
SignatureH5ZWqqfFYU8yRyaE+V5SUvuLuEiEP0eV9N87g3Mu5DYq4AOVqU+SRlz6kIyHPYT7jrcTzTwP70JXiSvppiWDCA==
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

2026-09-17T11:31:07.808447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034411
observed fb46a1afe3fe2c45c072d52e9c33e255...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:07.790271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034411/manifest.json
observed 57677a860f8d21ee853d85353676364f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:07.771004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034411/publication.md
observed 9d7ba686d57b3a929b92b235cc0b9e11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:07.754331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034411/publication.txt
observed ebf5edbd4e167bdf268421c1350a5e64...
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.