OpenTechnical

OT-2026-000071039

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000071039) never changes.

Identity and time

Publication numberOT-2026-000071039 · never reused
Internal UUID01a0ae91-8c2e-7200-8c62-192f7b3ad50b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071039
StatusPUBLIC

Content hashes

Canonical textb7c9759eaea9e38e07aa60a8a8961fad40da273d2a4b31e245a7a479757c3b43
Markdownf18bac0917f86d831278ff120c33d350862b5eeda0f1d4917e246641e7bd4a34
PDF
Publication page5509ec59b95eb3a031ea27df4a741851f3b55c6c12cfa1703f6dbdc59aa22c79
Manifest6413aaf7a1e5a98a1fdc9054ebe08c8e678d44d2f8399f1bb1a72997f05c21f5

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
SignatureBMBqK2YYKMnkEFJ5woaLDF2Go9uEq/K5935lMrE5KlAfELbtbc8Vp+TGVp33q4TwR1GcRWkHR9aVYrN3CWbfDQ==
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

2026-09-17T10:25:53.651731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071039
observed 5509ec59b95eb3a031ea27df4a741851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:53.634605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071039/manifest.json
observed 6413aaf7a1e5a98a1fdc9054ebe08c8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:53.618200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071039/publication.md
observed f18bac0917f86d831278ff120c33d350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:53.602065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071039/publication.txt
observed b7c9759eaea9e38e07aa60a8a8961fad...
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.