OpenTechnical

OT-2026-000038415

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000038415) never changes.

Identity and time

Publication numberOT-2026-000038415 · never reused
Internal UUID01a0ae78-2d52-78a3-b92a-6ab2b5588348 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038415
StatusPUBLIC

Content hashes

Canonical text0d922c6305a2b49d0d56c1040303867deaf4e579d25bdfdf1218065082d01e61
Markdown303e00428bf365f5152cf94bac2628c34d9b74267fc072958a3a3bfa5025a0ec
PDF
Publication page117f9bfcd329f1d99bf8b453717716331da82ca88d0de81fda62eb6c0e3c41f2
Manifestb1cb4c93f03418bd4074d15c0eaeab10cf0848502548d549aa17a1aa53c0ca9c

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
SignatureCQmVUf9AFTGzcY0/iH6fnBriLz5E2gnnsJM68GLuK7nF8JhbOjXe5s9hRl5gIQK+Y/BER/iqismGvgYmog/cCw==
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

2026-09-17T11:22:37.548874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038415
observed 117f9bfcd329f1d99bf8b45371771633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.530769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038415/manifest.json
observed b1cb4c93f03418bd4074d15c0eaeab10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.511751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038415/publication.md
observed 303e00428bf365f5152cf94bac2628c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.493038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038415/publication.txt
observed 0d922c6305a2b49d0d56c1040303867d...
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.