OpenTechnical

OT-2026-000083505

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, sustained blow-off before set-down

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-2026-000083505) never changes.

Identity and time

Publication numberOT-2026-000083505 · never reused
Internal UUID01a0ae98-0415-731b-8b8a-52a1ccb26146 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083505
StatusPUBLIC

Content hashes

Canonical text6ebe70b68735ef5c41b7f3953d02a41f2a119fe0a73909b3d4b2fd9c1cca28ab
Markdown965fb3418c423f996581c1bff00cc31ae78bba51eeedfd16d155b0e24211d6fb
PDF
Publication pagef37c98278acf98d3f69a57900b8efaab8c522de20b4efc25460ca5a518374e06
Manifestdfa219d553d12fe3f2d5404059178f965080276e789f3d9cef52f15b6804f367

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
Signature/WzQhqD0pUECPfav68DUyRnNIsU4kkvy/Ejd6luSDyCnEpoAi4qSPpR8fdeLcntrH3iDupENn2hl2TtY1JcQCg==
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

2026-09-17T09:56:28.899051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083505
observed f37c98278acf98d3f69a57900b8efaab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:28.881687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083505/manifest.json
observed dfa219d553d12fe3f2d5404059178f96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:28.865713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083505/publication.md
observed 965fb3418c423f996581c1bff00cc31a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:28.848077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083505/publication.txt
observed 6ebe70b68735ef5c41b7f3953d02a41f...
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.