OpenTechnical

OT-2026-000022968

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000022968) never changes.

Identity and time

Publication numberOT-2026-000022968 · never reused
Internal UUID01a0ae70-46ec-7b79-bf2b-b4b5ed3fb4e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022968
StatusPUBLIC

Content hashes

Canonical textaaed9112c00e2b06f2e15d63d8857f4109ccf9bfd85491fef888bdcf904f5ec4
Markdown7195f2c7bedc6cab3d9a874341e627716d0be53d611951a2f748af7f43191b4f
PDF
Publication page8b2b7fe9d63e146056a9cb4c58375194b5ffea30946dc026428688feab3849b8
Manifestfe68a71b5652b5c33cbcd9b0b0312c976e06490efbed0b9fecc57382e2a02d27

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
SignatureBNyE7TiN5Ga0w5IpOnxmnEJ1aOqrvO/Z1aKnbUnhT4zDwYT3NMrA2vE7E0D7hZIxyJXrGohoHm3bz0GIodU+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

2026-09-17T11:52:33.342296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022968
observed 8b2b7fe9d63e146056a9cb4c58375194...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:33.317079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022968/manifest.json
observed fe68a71b5652b5c33cbcd9b0b0312c97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:33.299566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022968/publication.md
observed 7195f2c7bedc6cab3d9a874341e62771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:33.274771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022968/publication.txt
observed aaed9112c00e2b06f2e15d63d8857f41...
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.