OpenTechnical

OT-2026-000090194

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000090194) never changes.

Identity and time

Publication numberOT-2026-000090194 · never reused
Internal UUID01a0ae9c-428f-7122-92c9-7c1b5eaa5093 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090194
StatusPUBLIC

Content hashes

Canonical text1e4f0d3fd498a2f0790671af34ea9260e5274f15db5a5d9d690f60d224131555
Markdowneb45df56725200ca2601864c0410b2109dc126b0a6c23726a6295e896d6c35e6
PDF
Publication pagea99593da5ed7f7330c34f5b42875b30fa4e14510e2a1a4b9483b7f670503fccf
Manifestc0b87846587462f3feb8b8758b782250cc24388a7315cde6d3e1bd961b2a195e

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
SignatureeJ+DoxxWYBdaVNgbJG/4iJh+88cQjjML56XvRH523Rd6rxOquYEWOtAKYNzoIciVpCbi/cHDw5V2BBPUSd0oCw==
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

2026-09-17T09:46:15.980196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090194
observed a99593da5ed7f7330c34f5b42875b30f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:15.962091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090194/manifest.json
observed c0b87846587462f3feb8b8758b782250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:15.943758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090194/publication.md
observed eb45df56725200ca2601864c0410b210...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:15.926328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090194/publication.txt
observed 1e4f0d3fd498a2f0790671af34ea9260...
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.