OT-2026-000028998
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000028998) never changes.
Identity and time
| Publication number | OT-2026-000028998 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9e-768b-80c0-d9dbd960b32d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028998 |
| Status | PUBLIC |
Content hashes
| Canonical text | 244828ed6b7b59e036237a7e27ae618ab1a52dc9ec40630d0fabd6d7871fd03b |
|---|---|
| Markdown | d2d0acf5ca81372f84961088327246f008eeb999711a574f189549975c30cc89 |
| Publication page | 813ae61fbdd7391f0d5df021b22475d55f06d976bfe7a2134c601e6a3bb7a998 |
| Manifest | 5c22dc7f247f919657d6ec3b8237b123151ea35dbd55b3959375ac27248784c4 |
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 | vZmUbiCm40gcMvueQJz4GgWi/CnClRNP8vnJdZa1njaFK8vdOOMXcBRXry5ob5z4yFsqxa4JgX9h5gmae4vBBA== |
| 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
| 2026-09-17T08:20:32.785925Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028998observed 813ae61fbdd7391f0d5df021b22475d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:32.767497Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028998/manifest.jsonobserved 5c22dc7f247f919657d6ec3b8237b123...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:32.751153Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028998/publication.mdobserved d2d0acf5ca81372f84961088327246f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:32.734930Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028998/publication.txtobserved 244828ed6b7b59e036237a7e27ae618a...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. |
|---|