OpenTechnical

OT-2026-000066447

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed 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-2026-000066447) never changes.

Identity and time

Publication numberOT-2026-000066447 · never reused
Internal UUID01a0ae8e-ce40-7b56-84fe-cdde89d1549a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066447
StatusPUBLIC

Content hashes

Canonical text9160adc0520e3f0eabdc169eff3a3047205940d75fd0049391a3d1cceb07c45a
Markdown1f846cc6eec1b28b778f9c699fc95e98df7002de4005cd1d3fdd63b6082b08d6
PDF
Publication page8c71071fbfc26efcf6ca5d9901a5b274ffb6459a5d038397fa56c964e2bfa6d9
Manifesteef870426edb39a1c4c55dfe290af8a8710128d76edfa802f348bdfd991b7375

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
SignaturetsHd0S5Tt7G9tiNb6GDn/U6PJk6MGxsulUysxKVFItRZVVH9Zc64TV2WQQDvJUnSFrssawguzGAMnU0WqGLTDA==
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

2026-09-17T10:32:41.648364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066447
observed 8c71071fbfc26efcf6ca5d9901a5b274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:41.632389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066447/manifest.json
observed eef870426edb39a1c4c55dfe290af8a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:41.613166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066447/publication.md
observed 1f846cc6eec1b28b778f9c699fc95e98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:41.596240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066447/publication.txt
observed 9160adc0520e3f0eabdc169eff3a3047...
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.