OpenTechnical

OT-2026-000025705

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000025705) never changes.

Identity and time

Publication numberOT-2026-000025705 · never reused
Internal UUID01a0ae71-9bca-7a32-bb72-b81c48578929 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025705
StatusPUBLIC

Content hashes

Canonical text34c7c7ca8bb966dfac3b9bbb933ce0f911f6f49088a8a2e3daaf6938ea52935d
Markdown3a298f9955705fca888eb21bd2d15658477eca3e07a96da1690f8942943efa72
PDF
Publication pagef2a9066d121d40d50b39e468586dced2de2b628f42ab60d500146188b5b5cf5c
Manifest758449dd5f75e497c1a13f9075d7ab5dab71d1a3c74adbd35aea00b926559d06

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
SignaturegEJpbtAe64VrkmCsnSfYQFCN2tB8ReTP2BVw1JRniBo3f6oYRRvxnK1Yr/70QVCZRpoGaxvfGWqWL+PV2l3kDQ==
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

2026-09-17T11:46:55.264676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025705
observed f2a9066d121d40d50b39e468586dced2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:55.232391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025705/manifest.json
observed 758449dd5f75e497c1a13f9075d7ab5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:55.214036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025705/publication.md
observed 3a298f9955705fca888eb21bd2d15658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:55.195382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025705/publication.txt
observed 34c7c7ca8bb966dfac3b9bbb933ce0f9...
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.