OT-2026-000014198
Publication integrity record
Foam pad vacuum gripper, common isolation valve, pump fed, pulsed 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-2026-000014198) never changes.
Identity and time
| Publication number | OT-2026-000014198 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-b279-7b0f-995c-968dea1c0607 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:39.853300Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000014198 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8171d439b61d2e4fe4eee831edaf25757fe146764e951406e41369a9126e38e4 |
|---|---|
| Markdown | 84cd65c34b5a0f34b6c7bea161e7c6324d24a61b8829e23c25c03d0c7be52977 |
| Publication page | fff229acf5b903445482e16ec7c4ee98da210faafc61386492df5fde4eda552a |
| Manifest | eb50595a439fa3e5befbad99e25f7711e988107271f252d55f9ea8a25fa08e5f |
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 | b4YO1yDzmWFxGN5g80DS4DFtwd7wkZcNN/5rwlWolNMVy91nyAkIm4S6w4vUCMK/BFjnuW5LwEIbX7ZffzLtDg== |
| 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
| 2026-10-19T04:41:20.098388Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014198observed fff229acf5b903445482e16ec7c4ee98...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-19T04:41:20.030413Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014198/manifest.jsonobserved eb50595a439fa3e5befbad99e25f7711...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T04:41:19.942746Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014198/publication.mdobserved 84cd65c34b5a0f34b6c7bea161e7c632...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T04:41:19.823737Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014198/publication.txtobserved 8171d439b61d2e4fe4eee831edaf2575...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:23:11.479860Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014198observed fff229acf5b903445482e16ec7c4ee98...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:23:11.465237Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014198/manifest.jsonobserved eb50595a439fa3e5befbad99e25f7711...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:23:11.431357Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014198/publication.mdobserved 84cd65c34b5a0f34b6c7bea161e7c632...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:23:11.396912Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014198/publication.txtobserved 8171d439b61d2e4fe4eee831edaf2575...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
| 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 |
|---|