OpenTechnical

OT-2026-000030837

Publication integrity record

Single cup vacuum gripper, two stage ejector, pulsed blow-off after 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-2026-000030837) never changes.

Identity and time

Publication numberOT-2026-000030837 · never reused
Internal UUID01a0ae74-3fb5-703e-8f1c-18bcfc189736 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030837
StatusPUBLIC

Content hashes

Canonical text9410eebb6603bab8da197068d9d20245265fc02b79a0f3f9ad8a04aa299dca28
Markdown8effb875aa23c24ac153b5863389c911d5ced49a172983bdbafd6d268ea25947
PDF
Publication page83019cb8d3c2bf2e766daf9e1b4b61ec341d3ab4e93997f058c2afd8636ddeb3
Manifesta9666b4395580d2c515d90d5efe13ed179c63c4e3d2cd4683e3623ef94b98d19

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
SignatureTSfX3dvqTDlDM4oxsjrJara7hlqYPaUOgQRcmjDTytPQrA0+7//+0cjysp3MJB2m3VPVFifKipzuiQsZgAg6Cg==
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

2026-09-17T11:36:43.527747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030837
observed 83019cb8d3c2bf2e766daf9e1b4b61ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.509882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030837/manifest.json
observed a9666b4395580d2c515d90d5efe13ed1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.491753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030837/publication.md
observed 8effb875aa23c24ac153b5863389c911...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.473187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030837/publication.txt
observed 9410eebb6603bab8da197068d9d20245...
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.