OpenTechnical

OT-2026-000070120

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, vented 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-2026-000070120) never changes.

Identity and time

Publication numberOT-2026-000070120 · never reused
Internal UUID01a0ae91-1862-7962-9364-403dc6df9faf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070120
StatusPUBLIC

Content hashes

Canonical textecebc451252607e41502c4155fe6d006fb9f0ccf6dae2eac100f35f5f1805606
Markdownb6147fed18afc66d75fd88a15d1188ebbd16568d1d48c7dfc1663aa12a6badd6
PDF
Publication page935a5a6adbb4a5a215bc79262fab982b355f60978d26a0f47f53a43ed81b8535
Manifest6324463840ccb1c95da51324544a34c0b17d346235544e1b22cf6b680709d3fc

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
SignatureJIor2QcACTvbxKJLo+f9VHhXYxTXrLGiMAxhrFx76YAiCVYKDEk6DYUd0KTCEHL/mVzfcgcqrWxVPmjMq5ZlCA==
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

2026-09-17T10:27:05.699877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070120
observed 935a5a6adbb4a5a215bc79262fab982b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:05.680666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070120/manifest.json
observed 6324463840ccb1c95da51324544a34c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:05.661777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070120/publication.md
observed b6147fed18afc66d75fd88a15d1188eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:05.645272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070120/publication.txt
observed ecebc451252607e41502c4155fe6d006...
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.