OT-2026-000027731
Publication integrity record
Foam pad vacuum gripper, four zone face, plant vacuum fed, pulsed 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-2026-000027731) never changes.
Identity and time
| Publication number | OT-2026-000027731 · never reused |
|---|---|
| Internal UUID | 01a0ae72-699a-794f-9852-0edd4fe3bc31 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:48.928538Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000027731 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2cc7e2001d46791ad8c32b8495279540c04c1c5963040344ff63d46b184786b9 |
|---|---|
| Markdown | bd699319513242556bb9cbd5fae92655a14a405151ebbc89960fe18e4bb38491 |
| Publication page | e9717cc85f43ddee8f27ce007ce7a521793c34c52ead770cf463b86b9c5fd612 |
| Manifest | 72406a3fefdeb15f471caae237b6a695d8ea3ee00aba20a375f75f549c8ae068 |
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 | XL/8AHNcmVATk8V/dNVL8jcvPV0qDBAym7+bitGO9ewL26dWwg+lMGiA2hIR+eZeh2mNYsdKbpOyYuK8VlrRDA== |
| 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
| 2026-09-17T11:43:17.312381Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027731observed e9717cc85f43ddee8f27ce007ce7a521...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:43:17.296822Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027731/manifest.jsonobserved 72406a3fefdeb15f471caae237b6a695...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:43:17.281984Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027731/publication.mdobserved bd699319513242556bb9cbd5fae92655...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:43:17.265176Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027731/publication.txtobserved 2cc7e2001d46791ad8c32b8495279540...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. |
|---|