OpenTechnical

OT-2026-000017520

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000017520) never changes.

Identity and time

Publication numberOT-2026-000017520 · never reused
Internal UUID01a0ae6e-76ca-7821-a885-b2268391d326 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017520
StatusPUBLIC

Content hashes

Canonical text5008aa2fb4c380a010168178dc049c2f431c19e4b769985e1123274943d2766b
Markdown77401b87bb3a02a93f1d29422e481014325534f1590d0225e641e1ca44b3b436
PDF
Publication pagebf18db758790d1a1bd896988b7834e0ea17538f68591fc754513253a5c318978
Manifestd40945d9190150567cd70109466667d181a590b331fe5e6f916ac442eececa11

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
SignatureW/TJBpkp8LKIC63VRKTTuc3lP5pQeoaWDHZg8WODW9jck1HiDDty+EwO4yGyvycgyv8Wn27fbNcB28t46wP4Ag==
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

2026-09-17T12:02:40.691069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017520
observed bf18db758790d1a1bd896988b7834e0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.673336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017520/manifest.json
observed d40945d9190150567cd70109466667d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.656016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017520/publication.md
observed 77401b87bb3a02a93f1d29422e481014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.638593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017520/publication.txt
observed 5008aa2fb4c380a010168178dc049c2f...
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.