OT-2026-000028289
Publication integrity record
Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down
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-2026-000028289) never changes.
Identity and time
| Publication number | OT-2026-000028289 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7636-a3f6-f368c4320c2c · 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-2026-000028289 |
| Status | PUBLIC |
Content hashes
| Canonical text | ad198d7e34ea879225be2262a77fbc287b8cabe7545aabecfe260dea2a1a436e |
|---|---|
| Markdown | c138565d9020f7528dbfc02681bf5097de135c1317b7fb62fc8d2f5d9ad61a2c |
| Publication page | 7fff3e545f48ac3955823b83b5e2341d7390ab4021c8006fba25e5e812deb45b |
| Manifest | f6c4766a291a63102deabdb9e7d7c750d4deebf263261818d767eb4b6c511df7 |
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 | ir2TkvDWzjZTw3GMPmS1y8SqP3Wz3YDXcTwSsUHtgwNuKk4FySaO+Naad7JZ6lV1VpzlpX3gWM/neNMKUgliBg== |
| 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
| 2026-09-17T11:40:10.198752Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028289observed 7fff3e545f48ac3955823b83b5e2341d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:10.178459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028289/manifest.jsonobserved f6c4766a291a63102deabdb9e7d7c750...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:10.161372Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028289/publication.mdobserved c138565d9020f7528dbfc02681bf5097...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:10.120609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028289/publication.txtobserved ad198d7e34ea879225be2262a77fbc28...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. |
|---|