OpenTechnical

OT-2026-000025185

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000025185) never changes.

Identity and time

Publication numberOT-2026-000025185 · never reused
Internal UUID01a0ae71-5fa6-7ef4-b107-4f7b564c3608 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025185
StatusPUBLIC

Content hashes

Canonical text329811bd785efb716c57ecf5f37c18a9ec7a8a6b02d3aaedb9efaa01475ea742
Markdown2b1c15eebc4812d87da39dfb769b900db04fd8ebcd3c86bf6aa72c7a85b78a9c
PDF
Publication page1e8ff1d5fd81e5fabe9c33f8291539730c648e5f0884a4c77de51fa80c23f30a
Manifest8296861abe8406b924eed94e8996f3d9607def123f2ddd8b553be6baef155b45

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
Signature1ORErd2xcClI79o3h8sLlZ4knGR1DgSkTepdxV4NL75nWVyB/M6Bo/J35kY91dKkXo4hhfsj3b8q5DOKv03vCg==
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

2026-09-17T11:47:10.180235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025185
observed 1e8ff1d5fd81e5fabe9c33f829153973...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:10.161604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025185/manifest.json
observed 8296861abe8406b924eed94e8996f3d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:10.143869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025185/publication.md
observed 2b1c15eebc4812d87da39dfb769b900d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:10.124628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025185/publication.txt
observed 329811bd785efb716c57ecf5f37c18a9...
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.