OT-2026-000028528
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single 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-2026-000028528) never changes.
Identity and time
| Publication number | OT-2026-000028528 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-7ceb-a44f-8709cf70a24e · 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-2026-000028528 |
| Status | PUBLIC |
Content hashes
| Canonical text | 57b4add40847791c81a7ee2eeb827860a9d9bde45477b7aa1748c08dd2b03aa1 |
|---|---|
| Markdown | d17f60e6386cff393994cbe6805511cbd009bbfb598ccbbc6fd791e3ea54a78f |
| Publication page | 4847eb6695d3471e1b35d990340052ea752f7b18206e2d47855b842ba40992c1 |
| Manifest | 66542d2679eeec9030aaf4faf7089b43db4923999e5c2434073cdc3920f0f63a |
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 | MKnsAKiiAY3q7lYXNdm+YM+ECSkcYs+VV76B51B8WpZTM5OwfzGM9yTpK2uG/UFRWBDgDcgKEu/xM/D6V/KcBA== |
| 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
| 2026-09-17T11:40:48.050435Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028528observed 4847eb6695d3471e1b35d990340052ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:48.004612Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028528/manifest.jsonobserved 66542d2679eeec9030aaf4faf7089b43...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:47.987462Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028528/publication.mdobserved d17f60e6386cff393994cbe6805511cb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:47.967922Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028528/publication.txtobserved 57b4add40847791c81a7ee2eeb827860...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. |
|---|