OT-2026-000028672
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, three 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-2026-000028672) never changes.
Identity and time
| Publication number | OT-2026-000028672 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7227-af88-d87e28877ef3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028672 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7f3425f4fdfb3a776f4e7aec530db531947c488cfbce4655c1781da773062545 |
|---|---|
| Markdown | dbe92594efb336128650e42ca97b054df0ee600eb61603440c944ff1d149c93a |
| Publication page | ea02933432c548bb89636e101e653f6f357c691c4fc8934bb85a47c60d80470a |
| Manifest | eff6577d5e9cab20aee765ce773662b109b2f4de08351260ee32d99200f4bffc |
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 | GhMqgGPvclrvC+xH7aUJXFCY8W9cG9ppEj79/F84ZdGr/WTaJbztpcX2tuwsdBuSIskpML0q62etE23NpQeYDg== |
| 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
| 2026-09-17T11:41:33.508313Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028672observed ea02933432c548bb89636e101e653f6f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:33.487782Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028672/manifest.jsonobserved eff6577d5e9cab20aee765ce773662b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:33.469869Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028672/publication.mdobserved dbe92594efb336128650e42ca97b054d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:33.448598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028672/publication.txtobserved 7f3425f4fdfb3a776f4e7aec530db531...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. |
|---|