OT-2026-000021473
Publication integrity record
Two cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000021473) never changes.
Identity and time
| Publication number | OT-2026-000021473 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-74f8-9d22-cc559d6babba · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021473 |
| Status | PUBLIC |
Content hashes
| Canonical text | f1baf9ec731975fa0484433c17a1e1426fd630b812ca799de246c8baedbfacff |
|---|---|
| Markdown | 7656afd6310e1663406c703452e09668c6914a243dbb925ae02b56a60de5811a |
| Publication page | 541fc7ea968ff6a435f7f8aead3447442f8fc0981eaeeee90e66a5ee05e9c176 |
| Manifest | be6563bfac36462a41b99c4934e208b24f41e28645cfc31284d50f2a4c22b321 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | WinyyK0+1YbHu6SqpOyJ4QQopFQ26U0s2TAB6d+KiqpFakWAZRVWHQfcFqRJqLDN5kwC6u4amRoyoO0pccriAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:55:23.306657Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021473observed 541fc7ea968ff6a435f7f8aead344744...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:23.289460Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021473/manifest.jsonobserved be6563bfac36462a41b99c4934e208b2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:23.271114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021473/publication.mdobserved 7656afd6310e1663406c703452e09668...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:23.253026Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021473/publication.txtobserved f1baf9ec731975fa0484433c17a1e142...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 archive | Pending 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 package | Pending Custody packages are produced weekly. |
|---|