OT-2026-000028170
Publication integrity record
Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000028170) never changes.
Identity and time
| Publication number | OT-2026-000028170 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-7d86-afae-c58dedf40839 · 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-2026-000028170 |
| Status | PUBLIC |
Content hashes
| Canonical text | 19dbbc8edab3ff6f4efa24f3e60dd00bf9a9c3dd8dfa297e5eb18e42576ad0c0 |
|---|---|
| Markdown | 1c90f4c1ee4375bea7dce5c7a87c8c4b86c0e6af201d6ca873557bf54a26b813 |
| Publication page | 2d7219c39720e9ed48256489488246d24a01f757e4cff108b20d3a96800ebe56 |
| Manifest | b227146b6b09b7105c8e72358cb6c4534e35fa0c679aab5f42fb92d454e7e0ca |
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 | FCwEwn6krxBIQtIhJVFbtIFELR1P3hWR71BDetkSBt/OYS68df3NWVU87E/W/H/NUlwD8xKoOGx7m4uFjoogAw== |
| 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
| 2026-09-17T11:42:31.590680Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028170observed 2d7219c39720e9ed48256489488246d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:31.572387Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028170/manifest.jsonobserved b227146b6b09b7105c8e72358cb6c453...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:31.554300Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028170/publication.mdobserved 1c90f4c1ee4375bea7dce5c7a87c8c4b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:31.533280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028170/publication.txtobserved 19dbbc8edab3ff6f4efa24f3e60dd00b...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. |
|---|