OpenTechnical

OT-2026-000023202

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000023202) never changes.

Identity and time

Publication numberOT-2026-000023202 · never reused
Internal UUID01a0ae70-7267-79b9-bedc-989fbc9334d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023202
StatusPUBLIC

Content hashes

Canonical texte877847c26bb331b51c7f52c3322d4bf7428746802e31d32869e471ea6ae1d82
Markdown7e900790791140671e63b8ff3d7e6fe3eb552374eca17f6d880e11524d913d55
PDF
Publication page815490fe62e7087269902246e8b99c26cdf718fbf3b6849772588d452b497866
Manifest510bfef69f3e8d4e000e05213193027fa06db37b667eba754c954c2935d63f5e

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
Signature1NZQ5cswyt9znih/5bmmYkrU8WYaSjDBtFSSvuCeJjDxeoO9yNaSahklZKZ1RLbLQFfA+Vg63gBkaYyno53dDA==
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

2026-09-17T11:51:09.435909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023202
observed 815490fe62e7087269902246e8b99c26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:09.418787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023202/manifest.json
observed 510bfef69f3e8d4e000e05213193027f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:09.400173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023202/publication.md
observed 7e900790791140671e63b8ff3d7e6fe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:09.383422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023202/publication.txt
observed e877847c26bb331b51c7f52c3322d4bf...
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.