OT-2026-000028197
Publication integrity record
Three cup vacuum gripper, three outlet manifold, two 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-2026-000028197) never changes.
Identity and time
| Publication number | OT-2026-000028197 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-708e-a102-9f0fbade82a3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028197 |
| Status | PUBLIC |
Content hashes
| Canonical text | b4896d4c7dda90cb1dc5895eb90c3603b995074238c92870514deca05a1a32f4 |
|---|---|
| Markdown | 20ba73f750079694e2651569fae7bf745c9d8541a2af8ccac44ed6f4df3d46c2 |
| Publication page | 718ae48f971a3a597782e1243083cc96546bb7ce66808dd8ccb554dc6552bd9e |
| Manifest | 94a552d7b29e4457eebc6211eed1b28b4d94eff10c657558a147ca90b7308237 |
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 | 0VkVVR3Cum24NaGUqz1Y8aOo1qeE0is1v0enaKgHY2CKNTLPa4j8wrOq7fU2H9nH4/5lKTiVBVZ7oX8PRU4ZAg== |
| 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
| 2026-09-17T11:42:33.567183Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028197observed 718ae48f971a3a597782e1243083cc96...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:33.545250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028197/manifest.jsonobserved 94a552d7b29e4457eebc6211eed1b28b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:33.527833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028197/publication.mdobserved 20ba73f750079694e2651569fae7bf74...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:33.511106Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028197/publication.txtobserved b4896d4c7dda90cb1dc5895eb90c3603...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. |
|---|