OpenTechnical

OT-2026-000048375

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000048375) never changes.

Identity and time

Publication numberOT-2026-000048375 · never reused
Internal UUID01a0ae80-4de4-7a5b-96f5-da930ffb51f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048375
StatusPUBLIC

Content hashes

Canonical text22676c1f5778bd46bc580bb8f60dcf480834b92d2d71c141055b9758e97c99da
Markdown0831871a7ac1e8d7c32283d1a240f54e0ccd05c975214e4439f8702b49fdcd32
PDF
Publication page4f6eb2e8aa3cf46f602b6926e0400d9f250c5530b1ef1c7210d60ed5799c312d
Manifestcfcf6ed8af18f8ac41e66261a9472a84c7e892b083714e84d1470f8b1dfdccc7

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
Signaturev3du4fGqfFfBQRzOCF3oI+TnXUCjf9fOCM1ASUobxO03Rh5y5jwne7hktEFkWlKoXNEvW1i+zwa3S5znU0zaAA==
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

2026-09-17T11:05:00.076376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048375
observed 4f6eb2e8aa3cf46f602b6926e0400d9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:00.058686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048375/manifest.json
observed cfcf6ed8af18f8ac41e66261a9472a84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:00.038871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048375/publication.md
observed 0831871a7ac1e8d7c32283d1a240f54e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:00.016499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048375/publication.txt
observed 22676c1f5778bd46bc580bb8f60dcf48...
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.