OT-2026-000028270
Publication integrity record
Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line 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-2026-000028270) never changes.
Identity and time
| Publication number | OT-2026-000028270 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f4-7fbd-85e0-ad0110f7f14b · 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-2026-000028270 |
| Status | PUBLIC |
Content hashes
| Canonical text | 91a23203f454ec6e669aa6b2dfe957c9b6875a74f0f2fc6c29fa1c5179ed7baf |
|---|---|
| Markdown | 743a32e5475b13a6b3d72ac7f35798c625139ce24f00fbd15cda416b9014cf6b |
| Publication page | 1b8874d1a539d1eff7fea9cae1eedaeb13b4cf6946ccae2fd8f85cd026be2144 |
| Manifest | 1093a9fa2121123b76f36582649e98c9c5a0948032b1db3790644b63f532e2a6 |
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 | MPtcQuhOWOwIvZADy3ian9RCysSXqAfbPz5/2xVW76eZvgH5vtKtRpQc3vx9Amr6mYgFKN6Rk7AFfob2iXLXDA== |
| 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
| 2026-09-17T11:40:08.737946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028270observed 1b8874d1a539d1eff7fea9cae1eedaeb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:08.719962Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028270/manifest.jsonobserved 1093a9fa2121123b76f36582649e98c9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:08.700984Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028270/publication.mdobserved 743a32e5475b13a6b3d72ac7f35798c6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:08.682663Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028270/publication.txtobserved 91a23203f454ec6e669aa6b2dfe957c9...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. |
|---|