OpenTechnical

OT-2026-000031924

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000031924) never changes.

Identity and time

Publication numberOT-2026-000031924 · never reused
Internal UUID01a0ae74-bad2-7f97-8aa6-b8323175f8b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031924
StatusPUBLIC

Content hashes

Canonical text21074cd46ed71d940b3a3859b8de19057fd40a6d221e371fa7e47c1871961fb0
Markdown49f915062b16cd0d1d1c633493986a11e40384ce9979ea634a673f009d9474b9
PDF
Publication page3c83ec9d1415f164cc3f346c154daa3bcc5bcceddf0eb003721deb193d20c5d2
Manifest0d3a70cc1c1b34159e5dbd4c17d9633cb9ee8cc5f54c34d36026ee1b8b7f36a7

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
SignatureD3Gq67elmTGl9G23amWhyhsPQsFqlD4QWxNiWp9k2rVv1CsmiySAsgTynomiL1WUJQjAYrtV73H3YMbdjT1xBg==
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

2026-09-17T11:35:12.095193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031924
observed 3c83ec9d1415f164cc3f346c154daa3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:12.078140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031924/manifest.json
observed 0d3a70cc1c1b34159e5dbd4c17d9633c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:12.059014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031924/publication.md
observed 49f915062b16cd0d1d1c633493986a11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:12.036509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031924/publication.txt
observed 21074cd46ed71d940b3a3859b8de1905...
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.