OpenTechnical

OT-2026-000048895

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000048895) never changes.

Identity and time

Publication numberOT-2026-000048895 · never reused
Internal UUID01a0ae81-134b-71ad-91ff-c3803e5511db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048895
StatusPUBLIC

Content hashes

Canonical text9127ac9afdd57c35fc92ebecfd642c23e262a581b9d089d1f51b0b60834aedb3
Markdown1ee45fa1aad99c9339055c065c5f8c60bc53c2818af9fb5cc29add82abfbfca9
PDF
Publication page7ce14f4a1f7547b240aa97308e12f4d2f04a7afaed43e2ae81b460cc878adca4
Manifestcaf8a5ce1631887ac6251be1665dae32ba8f0933fe910db5ef991f8fa0457ff7

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
SignatureslakZ2WK9bn+5ThP6hfJUkWDa35EI1eZXi5gB29L8KpntunGON2tmincpOFqK0Kaaf47jx6NRfF3hNlJqgFiCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:03:03.619833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048895
observed 7ce14f4a1f7547b240aa97308e12f4d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:03.599567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048895/manifest.json
observed caf8a5ce1631887ac6251be1665dae32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:03.580301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048895/publication.md
observed 1ee45fa1aad99c9339055c065c5f8c60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:03.560959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048895/publication.txt
observed 9127ac9afdd57c35fc92ebecfd642c23...
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.