OT-2026-000019427
Publication integrity record
Two bellows cup vacuum gripper, two zone face, pump fed, 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-2026-000019427) never changes.
Identity and time
| Publication number | OT-2026-000019427 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-7ed7-953f-9a4267a8f7a3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019427 |
| Status | PUBLIC |
Content hashes
| Canonical text | 11b9f04224cac92dad49992a7ae79093ab4a89f4b3fd42eb883319dc8b71589d |
|---|---|
| Markdown | 075e7cb8b6e76a8bf3aab8a6598046c4d08fe074e66350938b0f004e68bd7936 |
| Publication page | ade85d46f856541a2d6c005ea192a02b89a97631e178b9fdfb515655720f65c2 |
| Manifest | 56b5761462f5a326eb1e6e09d7a0d7c58ce5843d4186df13489bcba129de03c5 |
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 | I33eZUYnUxXK2eveiJQbFo8CGI92Nj4eC0aqJFLj64UbgdssI5wjvUvh5pLmz5DhSBFzZlN9TrjLyFbQ9x4VCQ== |
| 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
| 2026-09-29T00:41:22.435151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019427observed ade85d46f856541a2d6c005ea192a02b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-29T00:41:22.365662Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019427/manifest.jsonobserved 56b5761462f5a326eb1e6e09d7a0d7c5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:41:22.291440Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019427/publication.mdobserved 075e7cb8b6e76a8bf3aab8a6598046c4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:41:22.211630Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019427/publication.txtobserved 11b9f04224cac92dad49992a7ae79093...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:42:59.441453Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019427observed ade85d46f856541a2d6c005ea192a02b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:42:59.287038Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019427/manifest.jsonobserved 56b5761462f5a326eb1e6e09d7a0d7c5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:42:59.083899Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019427/publication.mdobserved 075e7cb8b6e76a8bf3aab8a6598046c4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:42:58.695604Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019427/publication.txtobserved 11b9f04224cac92dad49992a7ae79093...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 |
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