OpenTechnical

OT-2026-000069075

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000069075) never changes.

Identity and time

Publication numberOT-2026-000069075 · never reused
Internal UUID01a0ae90-6dce-74f4-8544-e760b98c19b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069075
StatusPUBLIC

Content hashes

Canonical text501f85f1d8180c7b7d5858f16b39ee575b4ebaec1971ee89011ac89e67935a79
Markdown29c8300d7e107231701123e33604926855fafa0fef94f07c7de231c911dad4c1
PDF
Publication page167dbb3d7720b5a1fcca5b9f94e200fd8eafb098049c5f72308cd28513c6aeae
Manifestef9744fe6ef27dc4a3e1acb20ff3a66b03cfe31a0d64283dd16af9422c804252

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
Signaturewdam3qhyfU/1tRbBjO5n3qEGCPA1AwVB2QNCN0bHDOhJfMk16NWyjpZQvwzzlglrkulRfFKJX03Gxx82eXU5Cg==
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

2026-09-17T10:28:56.501703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069075
observed 167dbb3d7720b5a1fcca5b9f94e200fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.485482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069075/manifest.json
observed ef9744fe6ef27dc4a3e1acb20ff3a66b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.468056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069075/publication.md
observed 29c8300d7e107231701123e336049268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.450633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069075/publication.txt
observed 501f85f1d8180c7b7d5858f16b39ee57...
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.