OT-2026-000020798
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000020798) never changes.
Identity and time
| Publication number | OT-2026-000020798 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-7027-8e17-ad4f5af15316 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020798 |
| Status | PUBLIC |
Content hashes
| Canonical text | dbbc33c7e2d8aa91e90048602601fb9cd0f7714b8662fdd7accd9ab5bb923f55 |
|---|---|
| Markdown | c3a5f3b185af6478e72abe41e71259bd8f57a7c609b3e2a0f9a4771eeb25f47f |
| Publication page | 0aff70690161ba82b7d994389c658732c7abc4fdb44f0ac646a4d1e64479513e |
| Manifest | d13dd77f3fdfb1517434c68365f531581c2e47ac87f8c52fc1bd06e0b0a94fcd |
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 | gZ4+Ez+awZdncNL/9RIyAUSoIN7bFmnS7xFKq4jYX/9s0rpdFpqqVNKHQSM8zUKTefy21rzMgOOpkeFqpNN8AQ== |
| 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
| 2026-10-10T16:41:05.213704Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020798observed 0aff70690161ba82b7d994389c658732...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-10T16:41:05.102087Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020798/manifest.jsonobserved d13dd77f3fdfb1517434c68365f53158...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T16:41:05.028705Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020798/publication.mdobserved c3a5f3b185af6478e72abe41e71259bd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T16:41:04.923433Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020798/publication.txtobserved dbbc33c7e2d8aa91e90048602601fb9c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T00:41:35.267602Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020798observed 0aff70690161ba82b7d994389c658732...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T00:41:35.187156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020798/manifest.jsonobserved d13dd77f3fdfb1517434c68365f53158...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T00:41:35.123571Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020798/publication.mdobserved c3a5f3b185af6478e72abe41e71259bd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T00:41:35.030051Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020798/publication.txtobserved dbbc33c7e2d8aa91e90048602601fb9c...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 |
|---|