OT-2026-000028581
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000028581) never changes.
Identity and time
| Publication number | OT-2026-000028581 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-7c82-ac44-438443d8fdf9 · 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-2026-000028581 |
| Status | PUBLIC |
Content hashes
| Canonical text | e8f17170bdba33a0befdbf65babfa55a419b38104440911319e82419a7ebd662 |
|---|---|
| Markdown | be666183f13f7b992fa0e05709341246b79dee08351b70976a213f2239d77e76 |
| Publication page | 157fdf8e2d45ec496c3c0628334796d3f01b66090c91708064a3a01f25519b4a |
| Manifest | 159bbe4cfec5223aff857e073cc138d37faaf9abd66f03441e15ae7c2a8c3f9a |
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 | /+0iCAWYD9MFqzDwSKVWXTkB3OyQpKpck8RUHO0QPTHTO3MXWqq85gaWAvWj/RgUeESe0NV8OYOH8q5N8OQoAw== |
| 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
| 2026-09-17T11:40:52.371989Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028581observed 157fdf8e2d45ec496c3c0628334796d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:52.351482Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028581/manifest.jsonobserved 159bbe4cfec5223aff857e073cc138d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:52.331192Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028581/publication.mdobserved be666183f13f7b992fa0e05709341246...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:52.315087Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028581/publication.txtobserved e8f17170bdba33a0befdbf65babfa55a...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. |
|---|