OpenTechnical

OT-2026-000029044

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000029044) never changes.

Identity and time

Publication numberOT-2026-000029044 · never reused
Internal UUID01a0ae73-2a9f-7b89-8fce-102601f2637b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029044
StatusPUBLIC

Content hashes

Canonical text6e9595778b135991eaa2a19d25c05d5ca0854f39e4eee7ed0279a5dd513e2757
Markdowndfdf4e375b328fc2938df0ddaad2f22d2b7c18f0c97dcf6e459d0568e15ff79f
PDF
Publication page378503acedae1d77eaaf57bd68fbf7e9413f594d544553c7488bfc79736fb60e
Manifestc8d9c4474e18eb2e2d412fbd6cd5bd17829183fea27c338305f61db281a5c8c7

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
Signature46nGyGztV2zwt3UR5zlWdoNg9EmxMV3nbvCzA3LmrHJKZnycnl008G6ccuWkTYL9bIkn99IQj/qIyOCCTQM/Cg==
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

2026-09-17T08:20:40.443062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029044
observed 378503acedae1d77eaaf57bd68fbf7e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:40.297751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029044/manifest.json
observed c8d9c4474e18eb2e2d412fbd6cd5bd17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:40.280306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029044/publication.md
observed dfdf4e375b328fc2938df0ddaad2f22d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:40.263463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029044/publication.txt
observed 6e9595778b135991eaa2a19d25c05d5c...
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.