OT-2026-000028292
Publication integrity record
Single bellows cup vacuum gripper, 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-2026-000028292) never changes.
Identity and time
| Publication number | OT-2026-000028292 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-72f4-88b4-396a1026a600 · 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-2026-000028292 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2bccadec4a095a601729771c41ad632035285296e5db1bff7e41413f54b167ee |
|---|---|
| Markdown | b877294905e7d555e6e9f95a9a5c1ec191a5816ce2c5958a8a8c42a0f724e750 |
| Publication page | 920439d095f0c77cae89958b2132f6987c6269de285603074251d40594676fea |
| Manifest | 625453ec59e73cfffe1566fc702b7835036d8f2ffa821f3793287d6345830f82 |
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 | AtQM8R7N/dPyQ3urQFdiYRAGc0q78NrihmNasDzfy3iBdjkySaHLawNvsQgcBnofA8DTFQX0ovMPsOISqEPrAQ== |
| 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
| 2026-09-17T11:40:10.390964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028292observed 920439d095f0c77cae89958b2132f698...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:10.370358Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028292/manifest.jsonobserved 625453ec59e73cfffe1566fc702b7835...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:10.347896Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028292/publication.mdobserved b877294905e7d555e6e9f95a9a5c1ec1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:10.323403Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028292/publication.txtobserved 2bccadec4a095a601729771c41ad6320...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. |
|---|