OpenTechnical

OT-2026-000082159

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000082159) never changes.

Identity and time

Publication numberOT-2026-000082159 · never reused
Internal UUID01a0ae97-4d93-787f-ac15-2b08a61b3144 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082159
StatusPUBLIC

Content hashes

Canonical text59c6021f7f8bc43094df6099ca31e8868289c53515de7a3d2ea22630555e72d6
Markdowneb53b2812b59051e9ca5edf997dac059f2abd53088941ccf387aa692dfc5e8a6
PDF
Publication pagee30e37c55eb90429c2bc4bb0f60c3b2ebb83f83b7b91cffe62cbc4a0818debbd
Manifestd8908d910ae6c385da2be17f92f5431147ad8b9359789a097e6691b50be41eb0

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
SignatureI+YFQX9fk1SE/aehdTZ8wEUL2B+uqNpS2obmxYiHeh0iDHSTAiaePAF0v5yz9Os+zkDqDsKGLVmeCHe0tptSCw==
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

2026-09-17T09:58:58.927248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082159
observed e30e37c55eb90429c2bc4bb0f60c3b2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:58.909381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082159/manifest.json
observed d8908d910ae6c385da2be17f92f54311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:58.891553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082159/publication.md
observed eb53b2812b59051e9ca5edf997dac059...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:58.874040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082159/publication.txt
observed 59c6021f7f8bc43094df6099ca31e886...
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.