OpenTechnical

OT-2026-000086168

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000086168) never changes.

Identity and time

Publication numberOT-2026-000086168 · never reused
Internal UUID01a0ae99-e82c-7243-9753-954eea0ecce8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086168
StatusPUBLIC

Content hashes

Canonical textcb15e3308d1c4fd084e2103233757b558b8c2485ecef6375fd601889885aec5f
Markdownc0c9d7bf19111582e679e97f620c4877edc40d4d0790afddd3f087f46eda1e1d
PDF
Publication pagef83b02c526e7038c24be7479b133801aa6668ad403e111dfd82f88f4a6ed546c
Manifesta11ce3d44a488f119be9c6fbdd76b7bc0cfc0c5e113d1e6c5fa065dfdfaa948f

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
SignatureqKK0xf7NQ4evrxGmNrptM2Al3rArhjSXoTaBV8Ha24iwnJdktEwbREBAu0YQ87VuIHpmkofX3QVMUYXfv/r9CQ==
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

2026-09-17T09:53:50.553582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086168
observed f83b02c526e7038c24be7479b133801a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.535662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086168/manifest.json
observed a11ce3d44a488f119be9c6fbdd76b7bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.518460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086168/publication.md
observed c0c9d7bf19111582e679e97f620c4877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.502220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086168/publication.txt
observed cb15e3308d1c4fd084e2103233757b55...
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.