OpenTechnical

OT-2026-000092195

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000092195) never changes.

Identity and time

Publication numberOT-2026-000092195 · never reused
Internal UUID01a0ae9d-875a-7c33-bd1d-1c1af0e4dc9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092195
StatusPUBLIC

Content hashes

Canonical text9244dd6bc3095a04a10b927162c4fa0e49426376c85bfc02fb6941f28884e534
Markdown78a93588098f0e2faa12560266bf82960359f300bc16e138e716e00735cbc30c
PDF
Publication page4349bcfb5d7eebd766f1acec565967206b1470fbb52bd66742339f63a4091efd
Manifest93a10d8f494f76134e231465a2bbbd569e8003fb20694b8e9fb79c9c547f1195

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
SignatureLt5RNffhuNX6fLhnONIlDLKEzd13whJXGhFP+XlTkjtbmifaz+zrKpi5ScwAlNi60L8c1zTSmnNAcD4gNq8XDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:41:40.714535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092195
observed 4349bcfb5d7eebd766f1acec56596720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:40.697118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092195/manifest.json
observed 93a10d8f494f76134e231465a2bbbd56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:40.680373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092195/publication.md
observed 78a93588098f0e2faa12560266bf8296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:40.663493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092195/publication.txt
observed 9244dd6bc3095a04a10b927162c4fa0e...
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.