OT-2026-000024390
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000024390) never changes.
Identity and time
| Publication number | OT-2026-000024390 · never reused |
|---|---|
| Internal UUID | 01a0ae70-e8ca-700e-8da7-2835c19fea07 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:17:10.360874Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000024390 |
| Status | PUBLIC |
Content hashes
| Canonical text | a8ec6bd87d5593c82b8d53ad9401ac3c4e388a58a2c627d8c2a1dc7fed9095bd |
|---|---|
| Markdown | 3f7587481266d3eac8dc28145a40264546724426a0b49613aec05275fef2b0dd |
| Publication page | 1c0fcc873c483dd88acd652a6acd7207194838f516f6af6a39cc908b56c0c033 |
| Manifest | f24c08f5abd039fa62c04a45286ec08ce4147733638fa542dbb44f746d2a340a |
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 | 0v1l1xbpe0OasyXk4TRxkXN8VFG6dZg4FynEkpqBvcA94y8MOYlwjwBbTpk3x7ClLDWUuWFotQTyymZ/LW0wAA== |
| 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
| 2026-10-23T00:41:09.241264Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024390observed 1c0fcc873c483dd88acd652a6acd7207...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T00:41:09.191369Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024390/manifest.jsonobserved f24c08f5abd039fa62c04a45286ec08c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T00:41:09.136283Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024390/publication.mdobserved 3f7587481266d3eac8dc28145a402645...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T00:41:09.075093Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024390/publication.txtobserved a8ec6bd87d5593c82b8d53ad9401ac3c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:38.818258Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024390observed 1c0fcc873c483dd88acd652a6acd7207...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:38.743101Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024390/manifest.jsonobserved f24c08f5abd039fa62c04a45286ec08c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:38.653152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024390/publication.mdobserved 3f7587481266d3eac8dc28145a402645...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:38.561312Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024390/publication.txtobserved a8ec6bd87d5593c82b8d53ad9401ac3c...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 |
|---|