OpenTechnical

OT-2026-000012340

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000012340) never changes.

Identity and time

Publication numberOT-2026-000012340 · never reused
Internal UUID01a0ae6d-39f6-7559-b348-601f11b49f3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012340
StatusPUBLIC

Content hashes

Canonical text8bfabb1a74ddb24d1104d4235ab2646b2f9f2a942025848b253acb49e05833d8
Markdown3f1e047cb898d2503420163ea5574b972814dcfd91eb9cb98060bf907629f7e5
PDF
Publication paged478b917fb0b7bbb67db52778e76183e119c141110896d6d0bb0f9a5125f0cce
Manifest654652d838e65a4d22dfd83151188ce25dc43f89d19abfc89617b0bbfdca4ef6

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
SignatureSRIePN6KO4jWVfjSD1BGqY6YGE3NjFQzxZKv+sjLjUzePJzU/rE0AgZRMAvW60fBsxp0BOZ+54+shikPM/+gBw==
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

2026-09-17T12:11:49.160222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012340
observed d478b917fb0b7bbb67db52778e76183e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:49.137461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012340/manifest.json
observed 654652d838e65a4d22dfd83151188ce2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:49.091875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012340/publication.md
observed 3f1e047cb898d2503420163ea5574b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:48.761238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012340/publication.txt
observed 8bfabb1a74ddb24d1104d4235ab2646b...
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.