OpenTechnical

OT-2026-000095272

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000095272) never changes.

Identity and time

Publication numberOT-2026-000095272 · never reused
Internal UUID01a0ae9f-8f70-7941-8195-60cfc16a8e39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095272
StatusPUBLIC

Content hashes

Canonical textbbbdd1ebff1fc8f3a6a3b6caf4add820192e229d3797b8a34b27c0ac76247e13
Markdown87285c30d77e3dae30f7762f5f49386e45bba3e6cd238dd193788dafde50fd8e
PDF
Publication paged6fd8384bd4f79f19df8638d0efc6d83cdffacfee9adb152e9052d62dbc1f135
Manifest237f881ceb821a1db4203b50c1d3eec0a12451580c5ca306cf09c1644bd0fa5f

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
SignaturepKhUQs2OLZkocm5PaQdxPcb1F1DIN0qU//wx+LQlKtdbjBOPYckTFmB8WK/RSYU2Jl0qSlWj2QPQb8B1zu2rDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:36.543986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095272
observed d6fd8384bd4f79f19df8638d0efc6d83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:36.525277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095272/manifest.json
observed 237f881ceb821a1db4203b50c1d3eec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:36.505034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095272/publication.md
observed 87285c30d77e3dae30f7762f5f49386e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:36.486332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095272/publication.txt
observed bbbdd1ebff1fc8f3a6a3b6caf4add820...
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.