OpenTechnical

OT-2026-000083230

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented after 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-2026-000083230) never changes.

Identity and time

Publication numberOT-2026-000083230 · never reused
Internal UUID01a0ae97-c963-78d8-96fd-903b132d7dcc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083230
StatusPUBLIC

Content hashes

Canonical texta44f931f82197b7088abbc758258a3065a5563215806b45bea5cab6dda45c028
Markdownf1bf203d0b533e5b584b0ff527071f44e2553a5123cb43e2b6ebc09ee73f50e1
PDF
Publication pagebe1ccedc78c77ef0a7aee40a19b08815144c5de866636caafb62dcbb2ad5e07e
Manifestc5028d90668152233aa7b242b793ecd2ed6c3a7382f90844e018386591950a60

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
SignaturebulY2TERQc8pvbocQpKkqIcN05OpFVkzC1X+WiY/j/GKehFxOUmErvCVuCYL4Bu25j0nIxo3QQB+OytyXZDICA==
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

2026-09-17T09:01:10.890641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083230
observed be1ccedc78c77ef0a7aee40a19b08815...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:10.873631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083230/manifest.json
observed c5028d90668152233aa7b242b793ecd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:10.856992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083230/publication.md
observed f1bf203d0b533e5b584b0ff527071f44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:10.840507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083230/publication.txt
observed a44f931f82197b7088abbc758258a306...
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.