OpenTechnical

OT-2026-000033943

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000033943) never changes.

Identity and time

Publication numberOT-2026-000033943 · never reused
Internal UUID01a0ae75-df0b-7407-82f0-7f00367e4c03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033943
StatusPUBLIC

Content hashes

Canonical text6547c6890d4333fb051f01f071698d78647a1d50a74e8c4412ad89bb23dd6455
Markdown1dc107d503f8ec4881146f0183d256a9bea32a5b1dd3d4343aaebd1d7818dae4
PDF
Publication pagec5b294677b742597d9456e04c24a61f61df626cbcc2f237b247832c1772edb97
Manifestd31b5d9c3c4e8229892870e973e511a42b17e3a527d2affcf1033d4b67094fd9

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
Signature1GYq8np4vUdqGFHLcC1X0Yab5dX0YfIgK7+8+FQSut4mncJhVbyuu8iq97WjrPIK+mCV3ZlZUMg7gnmoE6NYCw==
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

2026-09-17T11:30:02.986936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033943
observed c5b294677b742597d9456e04c24a61f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:02.966912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033943/manifest.json
observed d31b5d9c3c4e8229892870e973e511a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:02.946629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033943/publication.md
observed 1dc107d503f8ec4881146f0183d256a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:02.920425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033943/publication.txt
observed 6547c6890d4333fb051f01f071698d78...
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.