OT-2026-000014820
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000014820) never changes.
Identity and time
| Publication number | OT-2026-000014820 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-d094-71f7-a303-5ad57faf9802 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:47.560717Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000014820 |
| Status | PUBLIC |
Content hashes
| Canonical text | 19ec19f11343706e56b248842aaf58e4de05f68de028729b9c84f2fb8682259d |
|---|---|
| Markdown | 2e751e84175d2f6003c792e73c15c4ba8b2201c3e42d90bfdd6470a527ca8c0f |
| Publication page | edd983773876d3e224b007e62779db8b70cc33e0350bc471d8c2987b4a4902e9 |
| Manifest | 2561f98ee8b12fd4fb917b4409c32902fad91ea72f391372fe2e3bdbae7d1c2a |
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 | guFLScM/uHrUVa8oJ0nR5OIi7aiNvGf5+vuCJXWmfCDT0PuwSDKPo0wzERms78ky/qP3gOplkZxLQ/kyF8HIAQ== |
| 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
| 2026-10-25T20:41:15.268114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014820observed edd983773876d3e224b007e62779db8b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-25T20:41:15.184266Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014820/manifest.jsonobserved 2561f98ee8b12fd4fb917b4409c32902...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T20:41:15.069558Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014820/publication.mdobserved 2e751e84175d2f6003c792e73c15c4ba...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T20:41:14.946039Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014820/publication.txtobserved 19ec19f11343706e56b248842aaf58e4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T00:42:13.185797Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014820observed edd983773876d3e224b007e62779db8b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T00:42:13.032219Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014820/manifest.jsonobserved 2561f98ee8b12fd4fb917b4409c32902...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T00:42:12.870772Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014820/publication.mdobserved 2e751e84175d2f6003c792e73c15c4ba...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T00:42:12.669007Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014820/publication.txtobserved 19ec19f11343706e56b248842aaf58e4...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 |
|---|