OpenTechnical

OT-2026-000092287

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000092287) never changes.

Identity and time

Publication numberOT-2026-000092287 · never reused
Internal UUID01a0ae9d-875b-7f8d-9887-bc15489289e1 · 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-2026-000092287
StatusPUBLIC

Content hashes

Canonical textfe8a35b9e69132aa1db800e97107fbc75b8f42b8ee988e2c9c906121669d8c2c
Markdown61140cd3c7958ed8ab70d29f81f5ea72980663137ba70ef844c5d088097a84ca
PDF
Publication pageab0702675eb981b118170fd6299dd42ef926ee14791d3223c839e72f0f58c19c
Manifest199f437d176b18cd5a181683d4022c991fcda49ca600cdabc1227a907defcbf2

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
SignatureoeUStLjnY2eNDLqyJiUrntDH1SGkdurtWUd8ZJjsZZ5XMkZAPBAxoKKeWBO8jiIKYbXinKYENc2aLXtbTN59Aw==
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

2026-09-17T09:41:49.458065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092287
observed ab0702675eb981b118170fd6299dd42e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:49.436933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092287/manifest.json
observed 199f437d176b18cd5a181683d4022c99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:49.416036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092287/publication.md
observed 61140cd3c7958ed8ab70d29f81f5ea72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:49.395035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092287/publication.txt
observed fe8a35b9e69132aa1db800e97107fbc7...
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.