OpenTechnical

OT-2026-000005693

Publication integrity record

Vacuum cup gripper, common isolation valve, ejector fed, contact triggered on the face

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-2026-000005693) never changes.

Identity and time

Publication numberOT-2026-000005693 · never reused
Internal UUID01a0a941-a8b7-7dc3-8ed6-c55be1ccca13 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:07:27.674164Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005693
StatusPUBLIC

Content hashes

Canonical textc7677ed511416128c2f0127f8dab19d6b45a1a50d01d1591b1e49f51b1c07574
Markdown2d17e8740652dbaacbac05de497aee510efd64f25bac91c6dfcac65904c3578e
PDF
Publication pageaedd5ecec99911fb48d7cc8fc1b08f9fcd0ed58f5d705a27956223facc20e3cc
Manifest30713d4c56f41196284c29180e2a5aeb05b83a526a210153cd4858a9ef2ed240

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
SignatureIDMCK9gnhX2raa4iOg3Lr0akTy8vqhFuJD9oNZZzSWLKw4VMfFXmAYeVw0NY8o4kvEM8LBnjXdNyeXagmKbrCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:10.977937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005693
observed aedd5ecec99911fb48d7cc8fc1b08f9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:10.963169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005693/manifest.json
observed 30713d4c56f41196284c29180e2a5aeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:10.949030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005693/publication.md
observed 2d17e8740652dbaacbac05de497aee51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:10.936129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005693/publication.txt
observed c7677ed511416128c2f0127f8dab19d6...
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.