OT-2026-000047992
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000047992) never changes.
Identity and time
| Publication number | OT-2026-000047992 · never reused |
|---|---|
| Internal UUID | 01a0ae7f-c422-7891-8f5e-3c83615b5851 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:33:24.028554Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000047992 |
| Status | PUBLIC |
Content hashes
| Canonical text | a21d778fde2b50afce912a8ad2bdccc88be54a57fee5db059e2facf61420f2f2 |
|---|---|
| Markdown | 63cdf9f64f789f6020448688f673d68537476c8ab77c6dc18e7e8979d0a784b3 |
| Publication page | 9389ce6942d7528910f842360a9b143a2e81386386833569a1e0f40f7ac74f14 |
| Manifest | 8d30fe20a3c9934ef50ef69a1d5600f7be2e5154ec9279b4a8d5c801fe264bce |
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 | 9ZJ7KiFyE1CRroaKgY/iOzU+jP8w40MpgJVAhSaKdN59ZE5iZihA5nhQqh8CoUxC2gFdjW7BKIi50HVWDxr1Bg== |
| 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
| 2026-10-08T16:42:25.611112Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047992observed 9389ce6942d7528910f842360a9b143a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-08T16:42:25.531034Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047992/manifest.jsonobserved 8d30fe20a3c9934ef50ef69a1d5600f7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T16:42:25.435284Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047992/publication.mdobserved 63cdf9f64f789f6020448688f673d685...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T16:42:25.337621Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047992/publication.txtobserved a21d778fde2b50afce912a8ad2bdccc8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T04:41:33.488205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047992observed 9389ce6942d7528910f842360a9b143a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T04:41:33.401847Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047992/manifest.jsonobserved 8d30fe20a3c9934ef50ef69a1d5600f7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T04:41:33.331392Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047992/publication.mdobserved 63cdf9f64f789f6020448688f673d685...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T04:41:33.266663Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047992/publication.txtobserved a21d778fde2b50afce912a8ad2bdccc8...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
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