OpenTechnical

OT-2026-000089694

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold 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-2026-000089694) never changes.

Identity and time

Publication numberOT-2026-000089694 · never reused
Internal UUID01a0ae9c-1a22-77ff-9eee-3af33a48deca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089694
StatusPUBLIC

Content hashes

Canonical text5cfefcc8fa90176a2fe115a5d28a6919b2fca9132e8223c84dc9000d4052ff10
Markdowncf97dca2584e2104b904f23b7697d31987e01226b07df0446080b91d65da3630
PDF
Publication page2fd09cf1607da86ba5fe7fe89751417b13e1a64485c813445d1c93813d1809fd
Manifest38656b40f9d89d02a529653d3b365d31e742e42b95e0c4e9cce69d28b1ea6ae5

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
SignatureWcSO3MPkmgvlIUkWE8rG+6NhT0YerCyvpRSydUwNbrM1EZpDRAI55uFg08MlGUVaEOZ6BZkiLHutrJ1LL1lVAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:41.655782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089694
observed 2fd09cf1607da86ba5fe7fe89751417b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.638589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089694/manifest.json
observed 38656b40f9d89d02a529653d3b365d31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.620631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089694/publication.md
observed cf97dca2584e2104b904f23b7697d319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.601597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089694/publication.txt
observed 5cfefcc8fa90176a2fe115a5d28a6919...
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.