OT-2026-000031676
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000031676) never changes.
Identity and time
| Publication number | OT-2026-000031676 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad0-7635-9258-2f4a0f0d4471 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031676 |
| Status | PUBLIC |
Content hashes
| Canonical text | ea7bdbdd1b9c17194270e3aedadd1c641a2bd7f65aa9fb145b79361eb9b62d1f |
|---|---|
| Markdown | 3405225dc2a0bd51e9f0debcb1e4f9aa39915b24cc081fa3aacd9bda333d27b4 |
| Publication page | 6ec0f22d9490bcc2ba36bb8ee35dd26efd1f5c4c97fcee7afd1348a1b021c236 |
| Manifest | b28402acdb814329b425dc5a1d4eb7801297005df9652854c5d85398cd4a953a |
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 | fD64HuJwDcdHp7WqoOarJdg/rgR+B0XqRWefUcUrc+G8KEFst9LoxVAgpfwzmUUg+GJkDJPDi55fZUNlAuIyCA== |
| 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
| 2026-10-14T12:41:11.135263Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031676observed 6ec0f22d9490bcc2ba36bb8ee35dd26e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-14T12:41:11.085883Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031676/manifest.jsonobserved b28402acdb814329b425dc5a1d4eb780...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T12:41:11.001771Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031676/publication.mdobserved 3405225dc2a0bd51e9f0debcb1e4f9aa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T12:41:10.874504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031676/publication.txtobserved ea7bdbdd1b9c17194270e3aedadd1c64...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T16:43:57.428504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031676observed 6ec0f22d9490bcc2ba36bb8ee35dd26e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T16:43:57.263750Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031676/manifest.jsonobserved b28402acdb814329b425dc5a1d4eb780...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T16:43:57.028280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031676/publication.mdobserved 3405225dc2a0bd51e9f0debcb1e4f9aa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T16:43:56.593172Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031676/publication.txtobserved ea7bdbdd1b9c17194270e3aedadd1c64...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 |
|---|