OT-2026-000028570
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, three 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-2026-000028570) never changes.
Identity and time
| Publication number | OT-2026-000028570 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-7792-91a6-6ffb0adadb17 · 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-2026-000028570 |
| Status | PUBLIC |
Content hashes
| Canonical text | b8d3a1ef1d894356cfb156b9106f47db04b949191711c6482be67afe9d1a31bc |
|---|---|
| Markdown | a21b1e858b105964e2ab3ac51fd0d1b3872ccc98d612138e42f4317927105562 |
| Publication page | 075a6939fd28a7c49fc6c3da00b46b8aa25019d75b033fe0d28196f9fc774bf8 |
| Manifest | 4df9a72bfeb6b9c25d6262c2f555dc52b11594ead12d4bcf9e477e9fea487a07 |
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 | qz/e0F0HEB/NJc1ARvt419mPoS2N5poMIjU9OubOM3RIun8FuP0huI7keIlkaEQfpzCZSEnQn+/UQax2sdqrCw== |
| 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
| 2026-09-17T11:40:51.478507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028570observed 075a6939fd28a7c49fc6c3da00b46b8a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:51.459968Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028570/manifest.jsonobserved 4df9a72bfeb6b9c25d6262c2f555dc52...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:51.441258Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028570/publication.mdobserved a21b1e858b105964e2ab3ac51fd0d1b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:51.422178Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028570/publication.txtobserved b8d3a1ef1d894356cfb156b9106f47db...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. |
|---|