OpenTechnical

OT-2026-000007339

Publication integrity record

Vacuum cup gripper, common isolation valve, six outlet manifold, ejector fed, contact triggered, polyurethane cups

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-2026-000007339) never changes.

Identity and time

Publication numberOT-2026-000007339 · never reused
Internal UUID01a0a97b-47a0-7b51-908e-b9ba94c97036 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:10:23.907221Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007339
StatusPUBLIC

Content hashes

Canonical text3497ab5b917996b5977c2f29009c10d1326c4369dcc5f64d3814b7c5e5f29f82
Markdownb8609ed42d1fbbe439253d55c9caa88af5760f09678165e23bc12357c5212e4f
PDF
Publication page45077079b20ec870ab591a7b8580e86dc4d4e816e5ae5af9696dcc79c44d260c
Manifest33d11163781c0ede73794f010bb804e25f76f384a1b54f8c606412efc5a29119

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
SignaturegAYNDDef+gr2TjH4cmPhXYtu0ybdbW4C98QPOdgoHwMYZ8S51wPAqHu3W73PzPo9QsM3gkC9N/8UJ2OunvukDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:10.872434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007339
observed 45077079b20ec870ab591a7b8580e86d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.859746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007339/manifest.json
observed 33d11163781c0ede73794f010bb804e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.847464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007339/publication.md
observed b8609ed42d1fbbe439253d55c9caa88a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.833740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007339/publication.txt
observed 3497ab5b917996b5977c2f29009c10d1...
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.