OpenTechnical

OT-2026-000025030

Publication integrity record

Foam pad vacuum gripper, three stage ejector, supply line pressure sensor, sustained 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-2026-000025030) never changes.

Identity and time

Publication numberOT-2026-000025030 · never reused
Internal UUID01a0ae71-2728-74fe-ba3f-08e2dc1d239e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025030
StatusPUBLIC

Content hashes

Canonical text8c637994fac5661cdd002a698e9d304b68be42908d1307eafa414549dad23b80
Markdown2e063cbd1e283884c8158bc4aac292eb618dfe9d685f54dd377950b861954fca
PDF
Publication pagef4e388ca6990d77629d7af5a6e9b8802bdc3ba5b45832c9472432c1d147e6420
Manifest7585198482e1c132e042e5236ce5af2d1dc13b6800167b855e51ae535fcd1d81

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
SignatureN8WlwjqDG28vHFuB3Q6NgyHazQN8y4A0XxmR6nL/cfZ55pV1lwuQczzoYljnK6jqpxECXXanvRmo4+eoYX3bDQ==
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

2026-09-17T11:48:26.045619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025030
observed f4e388ca6990d77629d7af5a6e9b8802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:26.028104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025030/manifest.json
observed 7585198482e1c132e042e5236ce5af2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:26.007723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025030/publication.md
observed 2e063cbd1e283884c8158bc4aac292eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:25.990489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025030/publication.txt
observed 8c637994fac5661cdd002a698e9d304b...
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.